Explaining the key scientific ideas, technologies, and policies relevant to the global climate crisis.

Luis Aguirre-Torres

Dr. Luis Aguirre-Torres is a Senior Adviser at Rewiring America. Prior to joining Rewiring America, he was the director of sustainability for the City of Ithaca, where he led the design and implementation of the implementation of the city’s Green New Deal, and its goal of reaching net-zero  emissions by 2030.

Roger Aines

Roger Aines is the Energy Program Chief Scientist in E Program at Lawrence Livermore National Lab, which conducts government and private sector research in clean energy technology. Roger leads the Carbon Initiative, which aims to understand, develop, and implement technologies for the removal of carbon dioxide from the atmosphere, so-called negative emissions technologies. He holds a Bachelor of Arts degree in Chemistry from Carleton College, and Doctor of Philosophy in geochemistry from the California Institute of Technology.

Aigbokhan Aloja Airewele

Aigbokhan Aloja Airewele serves as the Diversity and Inclusion Coordinator at Cornell Cooperative Extension where he is responsible for leading the Equity, Diversity and Inclusion initiative to transform the organization into a more equitable, inclusive and diverse workplace. He is a certified Roots of Success instructor, providing workforce training for marginalized and frontline communities in Tompkins County.

Grayson Badgley

Grayson Badgley is a Postdoctoral Fellow in Forest Ecology at Black Rock Forest (BRF) and Columbia University. Grayson is an ecologist studying how leaf-level physiology affects global-scale biogeochemical cycles. His work at BRF focuses on refining new methods for quantifying whole-canopy light capture. Grayson holds a PhD in plant physiology from Stanford University and an MSc in environmental management from the University of Oxford.

EJ Baik

Dr. EJ Baik is a recent PhD graduate in the department of Energy Resources Engineering at Stanford University. Her research focuses on decarbonization of large-scale energy systems, and most recently she worked to model pathways to achieve a net-zero energy grid in California by 2045. She holds a PhD degree from Stanford University and a Bachelors in Civil and Environmental Engineering from Princeton University. 

Asmeret Asefaw Berhe

Nate Blair

Ian Bolliger

Ian Bolliger is a Climate Data Scientist for the Energy & Climate practice at Rhodium Group, an independent research organization. He constructs and applies simulation-based models to understand the economic impacts of climate change, with a focus on extreme event risk.

Kingsmill Bond

Kingsmill Bond is a senior principal in the Strategy Team at RMI. His role is to write research on the energy transition narrative, with a focus on financial market participants.

Kingsmill spent 25 years as a sell-side equity analyst and strategist, writing research for investors such as Blackrock and Fidelity. He worked for Deutsche Bank, Citibank, and Sberbank in London, Hong Kong, and Moscow. He analyzed a wide range of stocks and themes, from the resurgence of Russia to the growth of the internet, from the rise of China to the implications of the US shale boom. About 7 years ago Kingsmill figured out that the energy transition would be the greatest driver of financial markets and geopolitics in our era, and he has been working on it ever since. Kingsmill believes that energy lies at the core of all of our systems, and the shift from fossil fuels to renewables can only be compared with the industrial revolution of 250 years ago, which enabled a 50-fold increase in primary energy demand and shaped the modern world.

Amit Bouri

Amit Bouri is the CEO and Co-founder of the Global Impact Investing Network (GIIN), the largest global community of impact investors dedicated to increasing the scale and effectiveness of impact investing.

Prior to founding the GIIN, Amit worked in corporate philanthropy at Gap Inc. and Johnson & Johnson. He holds an MBA from Northwestern University – Kellogg School of Management, an MPA from Harvard University Kennedy School of Government, and a BA in Sociology and Anthropology from Swarthmore College.

Joe Britton

Derik Broekhoff

Derik Broekhoff is a Senior Scientist with the Stockholm Environment Institute and the former Vice President of Policy at Climate Action Reserve, a carbon offset registry. Derik has worked on energy and climate policy for more than 18 years, with an emphasis on greenhouse gas accounting, emissions trading, and carbon offsets. His research interests include the effective design and implementation of environmental market mechanisms, along with assessing and enabling climate mitigation policies that go beyond “carbon pricing,” especially at the local government level.

Nat Bullard

Nathaniel Bullard was formerly the chief content officer for BloombergNEF, Bloomberg’s primary research service on energy, transportation, commodities, and technology. He is also a contributor to Bloomberg Green, Bloomberg Opinion, and Bloomberg Markets, where he writes frequently on energy, transport, technology, and finance. Bullard has held a number of positions in his 11 years with Bloomberg. He was previously global head of executive insights, analyzing energy transitions and technologies; content director for Bloomberg New Energy Finance; and lead analyst for the North American new energy market. Bullard is a member of the Climate-Related Market Risk Subcommittee of the US Commodity Futures Trading Commission’s Market Risk Advisory Committee, since November 2019.

Wil Burns

Wil Burns is a visiting professor at Northwestern University’s Environmental Policy and Culture Program and emeritus co-founding director of the Institute for Carbon Removal Law & Policy at American University.

Dr. Burns is also a Senior Research Fellow for the Centre for International Governance Innovation (CIGI) and served as the Director of the Energy Policy & Climate program at The Johns Hopkins University.

Christine Cadigan

Christine Cadigan serves as the Senior Director of the Family Forest Carbon Program for the American Forest Foundation (AFF). The Family Forest Carbon Program is a partnership between AFF and The Nature Conservancy, dedicated to empowering family and individual woodland owners to actively care for their woods and increase the carbon sequestered and stored in them. She has her Master of Environmental Management and Master of Forestry from Duke University’s Nicholas School of the Environment.

Charles Canham

Charles Canham is a Forest Ecologist at the Cary Institute where he studies the dynamics of forest ecosystems and how they respond to a wide range of human impacts. Using field research, novel statistical methods, and computer models, Canham predicts forest response to factors including climate change, introduced pests and pathogens, logging regimes, and air pollution.

Previously, Canham served as a volunteer trustee of a Nature Conservancy chapter for more than 20 years before being asked to resign after voicing his concerns about their approach to forest carbon offsets.

Charles Cannon

Charles is a Manager with RMI’s Climate Intelligence program, working at the intersection of environmental reporting, technology, and industrial decarbonization. Charles oversees a team that improves disclosure and exchange of GHG data in mining, metals, fuels, and electricity by developing impact-based reporting guidance. By developing a community of practice across NGO, governmental, and corporate practitioners, Charles works within RMI’s Horizon Zero team to close the ambition action gap between corporate sustainability goals and emissions reduction.

Tamma Carleton

Tamma Carleton is an Assistant Professor of Economics at the Bren School of Environmental Science and Management at UC Santa Barbara and an affiliate of the Climate Impact Lab. She is an environmental and resource economist, focusing on questions at the intersection of environmental change and economic development.

Sweta Chakraborty

Neil Chatterjee

Neil Chatterjee is a former Commissioner and Chairman of the Federal Energy Regulatory Commission (FERC). He has also been a policy advisor for Senator Mitch McConnell (R-KY) and former US Representative Deborah Pryce (R-OH).

Bryan Comer

Susan Cook-Patton

Susan Cook-Patton is a Senior Forest Restoration Scientist at The Nature Conservancy and author of the Reforestation Hub: an effort to identify reforestation opportunities around the US to increase carbon intake.

Chris Cooper

Chris Cooper is the President of Neste US. Prior to that, he was their VP of Renewable Aviation. Chris’ background is with the oil and gas industry. He previously worked with Chevron, Phillips 66, and Mercury Fuels.

Sir Steven Cowley

Sir Steven Cowley is a theoretical physicist and international authority on fusion energy. He is the Director of the Princeton Plasma Physics Laboratory (PPPL), and a Princeton professor of astrophysical sciences. He was most recently president of Corpus Christi College and professor of physics at the University of Oxford. Cowley previously was chief executive officer of the United Kingdom Atomic Energy Authority (UKAEA) and head of the Culham Centre for Fusion Energy.

David Crisp

Dr. Crisp was the Principal Investigator of the Earth System Science Pathfinder (ESSP) Orbiting Carbon Observatory (OCO) mission. This was the first NASA mission designed to measure atmospheric carbon dioxide (CO2) with the sensitivity, accuracy, resolution, and coverage needed to detect and quantify the sources emitting CO2 into the atmosphere and the natural sinks absorbing it at the surface. He is currently serving as the Science Team Leader for NASA’s Orbiting Carbon Observatory-2 (OCO-2) and OCO-3 missions and as a member of the Science Team and Jet Propulsion Laboratory task lead for the Earth Ventures Geostationary Carbon Cycle Observatory (GeoCarb).

Steve Csonka

Steve Csonka is the Executive Director of the Commercial Aviation Alternative Fuels Initiative (CAAFI) which serves as a liaison between the clean energy and aviation industries. Steve is a commercial aviation professional with 35+ years of broad airline and fuels experience, and a strong technical background in commercial aircraft/engine life-cycle, from design through operations.

Danny Cullenward

Danny Cullenward is the Policy Director at CarbonPlan, a data hub that aims to improve transparency and scientific integrity of carbon removal and climate solutions. He is an energy economist and lawyer focused on the design and implementation of scientifically grounded climate policy. He holds a JD and PhD from Stanford University, where he teaches classes on energy law and climate policy.

Megan Darby

Megan Darby is the Editor of Climate Home News – a UK-based news organization that covers the international politics of climate change. Megan has been covering energy and climate for a decade at Climate Home News and Utility Week, and COP 26 was her sixth time attending the UN’s Conference of the Parties.

Rebecca Dell

Tom Dinwoodie

Sue Dougherty

Sue has a BS from Clarkson University and MS from Georgia Tech in mechanical engineering. She has nearly 15 years of experience in designing, modeling, and analyzing mechanical and thermal-hydraulic systems. Sue is a Senior Project Manager on NYSERDA’s Clean Heating and Cooling team, supporting programs that help decarbonize heating and cooling in New York State’s buildings, with a focus on district-style heat pump systems.

Annmarie Eldering

Dr. Annmarie Eldering is the Deputy Project Scientist for the Orbiting Carbon Observatory-2 (OCO-2) and the Project Scientist for OCO-3. Annmarie received her Ph.D. in Environmental Engineering Science from Caltech in 1994 with a focus on air pollution and its impacts on visibility in Los Angeles. She has been at the NASA Jet Propulsion Laboratory since 1999, adapting her knowledge of radiative transfer and light scattering to algorithm development for the Tropospheric Emission Spectrometer (TES) as well as validation of AIRS data.

Kerry Emanuel

Kerry Emanuel is a Professor of Atmospheric Science and Co-Director of the Lorenz Center at Massachusetts Institute of Technology. He is a prominent climate scientist, as well as an author, and has published works relating to the history and science of hurricanes, global warming, atmospheric convection, and flood modeling.

Joe Evans

Joe is the Portfolio Director and Social Investment Officer for The Kresge Foundation’s Social Investment Practice, and is responsible for managing loans, guarantees, deposits and equity investments that support Kresge’s mission.

Rebecca Evans

Rebecca Evans is the Acting Director of Sustainability for the City of Ithaca, NY. Her academic and research background is in Environmental Policy Ethics, where she examines the impacts public policies have on different populations.

Doyne Farmer

David Fenton

David Fenton, named “one of the 100 most influential P.R. people” by PR Week and “the Robin Hood of public relations” by The National Journal, founded Fenton in 1982 to create communications campaigns for the environment, public health and human rights. For more than five decades he has pioneered the use of PR, social media and advertising techniques for social change. Fenton started his career as a photojournalist in the late 1960s. He was formerly director of public relations at Rolling Stone magazine and co-producer of the No-Nukes concerts in 1979 at Madison Square Garden with Bruce Springsteen and other artists.

Brian Flannery

Brian Flannery is a Visiting Fellow at Resources for the Future, where he continues his work on climate and energy issues from his time at Exxon’s Corporate Research Laboratory where he conducted research and organized international workshops, including on how to calculate corporate emissions.

Andy Frank

Alisha Fredriksson

Jon Freedman

Julio Friedmann

Dr. Julio Friedmann is a Senior Research Scholar at the Center on Global Energy Policy at Columbia University SIPA. He recently served as Principal Deputy Assistant Secretary for the Office of Fossil Energy at the Department of Energy where he was responsible for DOE’s R&D program in advanced fossil energy systems, carbon capture, and storage (CCS), CO2 utilization, and clean coal deployment.

John Barry Gallagher

Maria Galluci

Bryan Garcia

Bryan Garcia is the President and CEO of Connecticut Green Bank, the nation’s first green bank.

Previously, Garcia was program director for the Yale Center for Business and the Environment and served as Connecticut’s Climate Change Coordinator where he supported the Governor’s Steering Committee on Climate Change.

Michael Gerrard

Beth Gibbons

Beth Gibbons is the Executive Director of the American Society of Adaptation Professionals. She is an expert in sustainable development and climate adaptation, having previously directed the University of Michigan’s Climate Center and managed NOAA’s Great Lakes Regional Integrated Sciences and Assessments Center.

Meredith Glaser

Spencer Glendon

Spencer earned a B.S. in Industrial Engineering from Northwestern University and a Ph.D. in Economics from Harvard University, where he focused on the history of urbanization and industrialization. He has extensive training and experience in finance, history, and languages and has worked and lived in Michigan, Chicago, Germany, Russia, China, and Boston.

For 18 years, Spencer was a Macroanalyst, Partner, and Director of Investment Research at Wellington Management, a firm with more than $1 trillion in client assets.

In 2017, Spencer began collaborating with scientists, business leaders, designers, technologists, and educators to research the effects of climate change and to share those findings publicly. This work helped underpin initiatives such as a first-of-its-kind partnership between Wellington Management and the Woodwell Climate Research Center, as well as McKinsey & Co.’s 2020 Climate Risk and Response report. Inspired by these collaborations, he founded Probable Futures in 2020 to help democratize climate science and build bridges between climate science and many other disciplines.

Kate Gordon

Kate Gordon is senior advisor U.S. Secretary of Energy, Jennifer Granholm. Prior to joining the DOE, Kate served as the California Governor’s Office of Planning and Research and Senior Policy Advisor to Governor Gavin Newsom on Climate.

Tory Grieves

Tory Grieves is Vice President of Analytics for The Climate Service, where she utilizes her technical expertise in both environmental science and business to accelerate climate adaptation and resilience. Grieves holds MBA and Master of Environmental Management (MEM) degrees from Yale University and graduated with a BA in Environmental Studies from Hamilton College.

Kathy Hannun

Kathy Hannun is the co-founder and president of Dandelion Energy, a home geothermal company. Previously, she was the Product Manager on the Rapid Evaluation team at X (formerly called Google[x]). She has a Bachelor’s Degree in civil engineering and a Master’s in Computer Science, both from Stanford University.

Rob Hanson

Rob Hanson is the co-founder and chief executive officer of Monolith, where he leads the development of next-generation technology for producing low cost, low emission hydrogen and carbon black, an important raw material used in the manufacture of rubber and plastic. Prior to Monolith, Hanson served as the global director of product management for AREVA Solar, the solar division of the world’s largest nuclear company.

He has a master’s degree in mechanical engineering from Stanford, and has been a guest lecturer at Stanford, UNL, Foothill College and the University of Saskatchewan on topics ranging from thermodynamics to entrepreneurship.

Ian Harris

Ian Harris is the Business Development Manager at BlocPower. He earned a BA from Harvard University where he studied Politics and Government. He previously worked for the City of New York and the New York State Department of Labor.

Jeff Hendler

Howard Herzog

Howard J. Herzog is a Senior Research Engineer in the MIT Energy Initiative, where he works on sponsored research involving energy and the environment, with an emphasis on greenhouse gas mitigation technologies. He was a Coordinating Lead Author for the IPCC Special Report on Carbon Dioxide Capture and Storage (2005), and was awarded the 2010 Greenman Award by the IEAGHG “in recognition of contributions made to the development of greenhouse gas control technologies”.

Melissa Ho

Mowgli Holmes

Kurt House

Kurt is an entrepreneur who works at the interface of technology and natural resources. He was previously an Adjunct Professor in Stanford University’s Energy Resources Engineering Department. And before that, he founded a carbon sequestration and enhanced oil recovery business as well as a direct investment platform to acquire North American natural gas assets based on a proprietary, physics-based tool that more accurately forecast natural gas production from hydraulically fractured wells.

Previously, Kurt was a KAUST Research Fellow at MIT where he studied the chemistry and physics of CO2 capture and storage. He received his Ph.D. from Harvard University in earth & planetary science for similar work and his B.A. in physics from the Claremont Colleges. Kurt has also worked in private equity and corporate advising for Bain & Company.

Johnny Huang

Johnny Huang Zhong (黄忠) is an entrepreneur with over 20 years of hands-on experience in China-US high-tech, aerospace, manufacturing, finance, education and entertainment industries and has advanced degrees in hydrogen energy and fuel cell technology. He is the co-founder and Executive Director for Asia at the Sustainable Finance Institute (SFI) and is frequently consulted by corporations, ministries and departments on renewable energy, built environment, wetlands and clean transportation.

Jesse Jenkins

BJ Johnson

BJ Johnson is the co-founder and CEO of ClearFlame, an engine technology company that is transforming heavy-duty diesel engines to run on cleaner fuels. He has a PhD in Mechanical Engineering – Energy Systems from Stanford University.

Nir Kaissar

Nir Kaissar is a Bloomberg Opinion columnist writing about markets and investing. He is also the founder of Unison Advisors, an asset management firm. He has worked as a lawyer at Sullivan & Cromwell and a consultant at Ernst & Young.

Dan Kammen

Dr. Daniel M. Kammen is a Professor of Energy at the University of California, Berkeley, with parallel appointments in the Energy and Resources Group, the Goldman School of Public Policy where he directs the Center for Environmental Policy, and the department of Nuclear Engineering. Kammen is the founding director of the Renewable and Appropriate Energy Laboratory (RAEL; rael.berkeley.edu), and was Director of the Transportation Sustainability Research Center from 2007 – 2015.

Cullen Kasunic

Cullen is the CFO at BlocPower, a climate tech company rapidly greening American cities. The company has completed energy projects in 1,200+ buildings and is backed by the world’s top investors, including Goldman Sachs and Microsoft’s Climate Innovation Fund. In 2022, Fast Company named BlocPower the #4 Most Innovative Company in the World.

David Keith

David Keith is an internationally-recognized climate and energy scientist and entrepreneur, and a professor of applied physics and public policy at Harvard University, specializing in energy and environmental systems, and science technology policy.

Aneeqa Khan

Aneeqa Khan is a Research Fellow in Nuclear Fusion in the Department of Mechanical, Aerospace, and Civil Engineering (MACE) at the University of Manchester. Her research is focused on testing materials and components for nuclear fusion applications. She previously was a postdoctoral scholar at the international nuclear fusion project ITER.

Neha Khanna

Neha Khanna is Professor of Economics at Binghamton University, focusing on environmental pollutant exposure in the US and the air quality impacts of rapid economic change. She serves as President of the Northeast Agricultural and Resource Economics Association and is also on the Board of Directors for the Association of Environmental and Resource Economists.

Cecilia Klauber

Robert Klee

Robert is Managing Director of Clean Energy Programming at the Yale Center for Business and the Environment and a Lecturer at the Yale School of the Environment (YSE) and Yale Law School. He formerly served as the Commissioner of Connecticut’s Department of Energy and Environmental Protection. He holds a degree from Yale Law School and a Masters and PhD from YSE, and an undergraduate degree from Princeton in geology and environmental science.

Pol Knops

Pol Knops is the Chief Technology Officer and Founder of Green Minerals, a tech company using olivine to mineralize CO2 and turn it into functional products like concrete and paper. Pol studied physics at TU Twente, then went to work in the processing industry for a number of years.

Bob Kopp

Bob Kopp is a climate scientist, geobiologist, and climate policy scholar and Director of the Rutgers Institute of Earth, Ocean & Atmospheric Sciences, as well as a director of the Climate Impact Lab. His research focuses on understanding uncertainty in past and future climate change, with a major emphasis on sea-level change and the interactions between physical climate change and the economy.

Annie Kritcher

Annie Kritcher is a principal designer at Lawrence Livermore National Laboratory’s National Ignition Facility, or NIF. Her team successfully ‘ignited’ a nuclear fusion reaction.

Kevin J. Krizek

Jonathan Kusel

Matthew Langholtz

Matthew Langholtz is a Natural Resource Economist in the Bioenergy Group at Oak Ridge National Laboratory and a lead author of the 2016 Billion Ton Report assessing the potential supply of biomass in the United States for the US Department of Energy.

Reif Larsen

Reif Larsen is an American author, known for The Selected Works of T.S. Spivet. In 2020, he founded The Future of Small Cities Institute whose mission is to cultivate resilient communities by offering just and sustainable solutions for small and mid-sized metro areas.

Eric Larson

Eric Larson is one of the lead authors of the Princeton Net-Zero America report, quantifying the amount, cost, and pace of energy technology and infrastructure deployments needed across the US to achieve net-zero greenhouse gas emissions by 2050. He is also a Senior Research Engineer leading the Energy Systems Analysis Group at the Andlinger Center for Energy and the Environment at Princeton University, and a Senior Scientist with Climate Central, a nonprofit, non-partisan science and media organization.

Matt Leuck

Matt Leuck is the Technical Manager, Renewable Road Transportation at Neste. Matt has a background in engineering and sales in the oil and gas industry.

Joanna Lewis

James Lindsay

Tommy Linstroth

To date, Linstroth has personally been involved with over 60 projects achieving LEED certification, with another two dozen underway. These projects include the first building in the Southeast to be both LEED certified and in the National Register of Historic places, the first all-retail LEED shopping center in the nation, the first LEED McDonald’s restaurant, and Sustainable Fellwood, one of the largest green affordable housing developments – part of the LEED for ND pilot program and LEED for Homes program – in the nation.

Green Badger is the direct output of his experience with LEED. Green Badger provides a mobile solution to LEED construction documentation and allows for easy management of construction waste, sustainable materials tracking, erosion and indoor air quality reporting, and managing low-VOC products – including a bar code scanner that gives real time VOC information.

Amory Lovins

Jessie Lund

CALSTART as a Trucking and Off-Road Lead Project Manager. Previously, Jessie was a Senior Associate with Rocky Mountain Institute’s Carbon-Free Mobility Program. Prior to that, she was an Electric Truck Program Manager for the North American Council for Freight Efficiency (NACFE).

Edwin Lyman

Edwin Lyman is an internationally recognized expert on nuclear proliferation and nuclear terrorism as well as nuclear power safety and security. He is a member of the Institute of Nuclear Materials Management, and has testified numerous times before Congress and the Nuclear Regulatory Commission. Since joining UCS in 2003, he has published articles in a number of journals and magazines, including Science, the Bulletin of the Atomic Scientists, Science and Global Security, and Arms Control Today, and he has been cited in thousands of news stories, including articles in the Boston Globe, Chicago Tribune, Los Angeles Times, New York Times, Wall Street Journal, Washington Post, and USA Today, and in segments on ABC, CBS, CNN, C-SPAN, MSNBC, NBC, NPR and PBS.

Kim Mayfield

Dr. Kimberley Mayfield is research scientist (Ph.D.) with experience in biogeochemical project design and management, quantitative data analysis, and science communication. She specializes in carbon dioxide removal, geochemistry, and environmental justice.

Alex McDonough

Katie McGinty

Bill McKibben

Bill McKibben is a writer and climate activist. He founded 350.org, an international grassroots climate campaign, and Third Act, which organizes people over the age of 60 to work on climate and racial justice. He’s written over 20 books and contributes regularly to The New Yorker, Rolling Stone, and more.

Rick Mihelic

Doug Miller

Matt Leuck is the Technical Manager, Renewable Road Transportation at Neste. Matt has a background in engineering and sales in the oil and gas industry.

Ray Minjares

Ray Minjares is the Managing Director in the heavy duty vehicles program at The International Council on Clean Transportation. He co-founded the Zero-Emission Bus Rapid-Deployment Accelerator with C40 Cities. He also established the Global Industry Partnership on Soot-Free Clean Bus Fleets with the Climate and Clean Air Coalition. He holds a Master’s degree in Public Health from the University of California, Berkeley and a Bachelor´s degree in International Development, Environmental Studies, and Philosophy from the University of California, Los Angeles.

Adele Morris

Adele Morris is a globally renowned expert on climate pricing policies and the former Policy Director for Climate and Energy Economics at The Brookings Institution.

Prior to joining The Brookings Institute, she was on the Joint Economic Committee (JEC) of the U.S. Congress, where she advised members of Congress and their staffs on economic, energy, and environmental policy.

Since the recording of this episode, Dr. Morris became the Chair of the Federal Reserve’s Financial Stability Climate Committee.

Colin Murphy

Colin Murhpy is the Policy Director at the Policy Institute for Energy, Environment, and the Economy at the University of California Davis. He holds a Phd in Transportation, Technology and Policy from UC Davis.

Sue Natali

Dr. Susan Natali is an Arctic ecologist whose focus on permafrost thaw is motivated by an acute awareness of the risks it poses. She leads Woodwell Climate’s Arctic Program, which investigates the drivers and consequences of rapid Arctic change. Her research examines the effects of climate change, including permafrost thaw and increasing wildfires, on northern ecosystems and the impact these changes have on Arctic residents and the global climate.

Sheila Olmstead

Sheila Olmstead is a professor of public affairs at the University of Texas at Austin LBJ School of Public Affairs. She also has appointments as a visiting fellow at Resources for the Future (RFF), a Washington, DC think tank, as a senior fellow at the Property and Environment Research Center in Bozeman, Montana, and as a Charter Member of the Science Advisory Board at the US EPA.  Previously, she served as the senior economist for energy and the environment at the President’s Council of Economic advisors, and as faculty at the Yale School of Forestry and Environmental Studies.

Amine Ouazad

Amine Ouazad is an Associate professor of Economics at HEC Montreal where he holds the endowed research professorship in “Urban and Real Estate Economics.” He is also a Senior Fellow at the 21st Century Cities Initiative at Johns Hopkins University, and a member of the First Street Foundation Lab. Amine’s research interests span urban economics, real estate, finance, climate risk, social justice.

Sergey Paltsev

Sergey Paltsev is the Deputy Director of the MIT Joint Program on the Science and Policy of Global Change, the MIT Energy-at-Scale Center, and a Senior Research Scientist at the MIT Energy Initiative and MIT Center for Energy and Environmental Policy Research. He is also the lead modeler in charge of the MIT Economic Projection and Policy Analysis model of the world economy. His research covers energy economics, climate policy, and advanced energy technologies.

George Peridas

George Peridas is the Energy Program Director, Carbon Management Partnerships at the Lawrence Livermore National Laboratory. He is responsible for promoting partnerships that result in the advancement and deployment of carbon management solutions and technologies, including the removal of carbon dioxide from the atmosphere, or so-called negative emissions. George’s recent experience of over a decade in the environmental NGO world has made him well versed in the fields of policy, legislation and regulation relevant to climate change, carbon management and energy, and keenly aware of the spectrum of views that need to be reconciled in order to reach meaningful consensus in this field.

Brook Porter

Shuting Pomerleau

Shuting Pomerleau is a climate policy analyst at the Niskanen Center, a Washington DC-based think tank. Her areas of research include policy development for carbon taxes. Prior to joining Niskanen, she worked in public policy at the Cato Institute and the American Council on Renewable Energy.

Nathan Ratledge

Greg Rau

Adam Rauwerdink

James Regulinski

James Regulinski is co-founder of Carbon Collective, a company providing low-fee, diversified investment portfolios built for solving climate change, where he leads product, customer success, and compliance. Prior to starting Carbon Collective with Zach Stein in 2020, he and Stein worked at Osmo Systems, where they built a low-cost water-quality sensor and monitoring platform and raised more than $4 million to commercialize and scale the technology, which won Imagine H2O’s 2018 prize for innovation. Regulinski began his career in sustainability at ALL Power Labs, a company that converted carbonous agricultural waste products into low-carbon electricity and a waste product that sequesters carbon. An engineer by training, his passion for sustainability began as a child, sailing around the world for five years with his family and witnessing humanity’s negative impact on the natural world.

Peter Reinhardt

Peter Reinhardt is the founder and CEO of Charm Industrial, a fast-growing company that is working to convert the leftover organic matter of forestry and farming operations to carbon-rich bio-oil to either be stored in the ground or sold as an alternative fuel. He previously co-founded and was the CEO for a customer data platform called Segment which was sold to Twilio for $3.2B in 2020.

Daniel Richter

Daniel Richter is the VP of Government Affairs at the Citizens’ Climate Lobby where he oversees the research program and interacts regularly with Congressmembers to advocate for national climate change legislation. He holds a PhD in Oceanography from UC San Diego.

Mike Roeth

Joeri Rogelj

Joeri Rogelj is Director of Research and Lecturer in Climate Change and the Environment at the Grantham Institute at Imperial College London. He explores how societies can transform towards more sustainable futures. His research activities cross many disciplinary boundaries, connecting Earth system sciences to the study of societal change and policy. Joeri Rogelj has contributed to several major scientific climate change assessments informing the international climate negotiations under the UNFCCC and is currently a Lead Author for the IPCC’s Sixth Assessment.

Zohra Roy

Zohra Roy leads product marketing efforts for Logical Buildings, where she develops and drives the strategy for various smart building software products and serves as the voice of Logical Buildings’ users. For the past 7+ years, she has led and managed digital strategy and creative execution for sustainability-based startups, all the way to large biotech and pharmaceutical companies. She holds a Master’s Degree in Environmental Policy & Sustainability Management from The New School and a Bachelor’s Degree in Public Health and Sustainability from The George Washington University.

Dave Rubin

Salim Samaha

Salim Samaha is a Partner at Global Infrastructure Partners (GIP) and is responsible for identifying business trends and companies to invest in within the energy and power sector in the Americas.

GIP is a national leader in equity investments in the renewable energy sector, with ownership stakes in more than 90 gigawatts of operating or developing renewable energy projects.

Will Sarni

Rachel Slaybaugh

Rachel is a Partner at DCVC focused on climate, sustainability, and energy investments. Before joining DCVC, Rachel was an Associate Professor of Nuclear Engineering at the University of California, Berkeley where she held leadership roles in several data science and entrepreneurship efforts. Concurrent to being a professor, Rachel was a Division Director at Lawrence Berkeley National Laboratory where she ran the Cyclotron Road Division. She served as a Program Director at the Department of Energy’s ARPA-E, where she created the nuclear fission program and managed the agriculture portfolio as well as solar and virtual reality teams. Rachel co-founded the Good Energy Collective and currently serves as Chair of the Board. Rachel received a B.S. in Nuclear Engineering from Pennsylvania State University, where she served as a licensed nuclear reactor operator, and a M.S. and Ph.D. from the University of Wisconsin–Madison in Nuclear Engineering and Engineering Physics.

Pete Smith

Pete Smith is Professor of Soils and Global Change at the Institute of Biological and Environmental Sciences at the University of Aberdeen (Scotland, UK) and Science Director of the Scottish Climate Change Centre of Expertise (ClimateXChange). His interests include climate change mitigation, soils, agriculture, food systems, ecosystem services and modelling. He is one of the authors of the IPCC/IPBES joint report on biodiversity and climate.

Caroline Spears

Caroline Spears is the Executive Director at Climate Cabinet, an organization that informs political candidates on climate problems and solutions. She holds an MS in Atmospheric and Energy Engineering from Stanford University.

Andy Stevenson

Joshuah Stolaroff

Leah Thomas

Leah Thomas is an intersectional environmental activist and eco-communicator based in Southern California. She’s passionate about advocating for and exploring the relationship between social justice and environmentalism.

She graduated from Chapman University in 2017 with a B.S. in Environmental Science and Policy with a cluster in Comparative World Religions.

Her goal is to inspire others to explore new places, live more sustainably and practice radical self acceptance.

Mark Trexler

Mark Trexler is the Director of Climate Change Knowledge Systems at the Climatographers. He was a Chapter Editor on carbon accounting and carbon offsets for the IPCC’s Special Report on Land Use and Land Use Change, and holds a PhD in International Environmental Policy from UC-Berkeley.

Gerald Tuskan

Gerald Tuskan is the CEO at the Center for Bioenergy Innovation at Oak Ridge National Laboratory where he researches plant genetics to develop ideal biomass for energy use.

Monica Varman

Monica Varman is a Partner at G2 Venture Partners where she focuses on investments in the circular economy, grid resilience, and food/agriculture sectors. Prior to joining G2VP, she was a core member of the sustainability practice at McKinsey & Company, where she advised senior executives in the energy and infrastructure sectors on decarbonization and growth strategies.

Hilari Varnadore

Currently, Hilari supports local governments around the world engaged in sustainability reporting and accountability. She heads up USGBC’s LEED for Cities program, which includes administering the Local Government Leadership Program. Hilari is the staff liaison to the LEED Cities and Communities Working Group (CCWG), the formal stakeholder body that advises the LEED Steering Committee on cities and communities related issues.

Previously Hilari led STAR Communities as its executive/founding director. In that capacity, she deployed the first framework and certification program for local sustainability in the US, the STAR Community Rating System. She has served as a chief sustainability officer and principal planner in local government and has led two nonprofit organizations as CEO.

Hilari’s areas of expertise include strategic planning, facilitation, program development and administration, policy development, governance, stakeholder engagement, fundraising, marketing and communications.

Marilyn Waite

Marilyn leads the Climate Finance Fund. She has worked across four continents in renewable and nuclear energy, and climate modeling and investment. Author of Sustainability at Work: careers that make a difference, Marilyn’s writing has been featured in the Financial Times, Forbes, and GreenBiz, where she serves as editor at large. Marilyn previously led the energy practice at Village Capital and modeled energy solutions to climate change as a senior research fellow at Project Drawdown. She holds a Master’s Degree with distinction in Engineering for Sustainable Development from the University of Cambridge and a Bachelor’s of Science Degree in Civil and Environmental Engineering, magna cum laude, from Princeton University.

Ke Wang

Ke Wang leads the PACE (Platform for Accelerating the Circular Economy) at World Resources Institute. She holds a Ph.D. in Applied Physics from Stanford University and an Executive MBA from Rotterdam School of Management.

Emily Wasley

Emily Wasley leads WSP USA’s corporate climate risk, adaptation, and resilience practice. She also serves as a west coast Future Ready Advisor for WSP USA, President of the Board of Directors for the American Society of Adaptation Professionals (ASAP), Steering Committee member for Women in Climate Tech (WiCT), a fellow to the American Security Project (ASP), and a Blue Endeavors Ambassador.

Simon Watson

Simon Watson is a professor of wind energy and the Director of Delft University of Technology’s Wind Energy Institute.

Dr. Watson began his career in wind energy in 1990 and has worked at the Rutherford Appleton Laboratory, Good Energy, and as a senior lecturer the Loughborough University’s Center for Renewable Energy Systems Technology.

Romany Webb

Elke Weber

Elke U. Weber is the Jerome A. Chazen Professor of International Business at Columbia Business School and Professor of Psychology and Earth Institute Professor at Columbia University. She is an expert on behavioral models of decision-making under risk and uncertainty, investigating psychologically and neurally plausible ways to model individual differences in risk taking and discounting, specifically in risky financial situations and environmental decisions. Weber is past president of the Society for Mathematical Psychology, the Society for Judgment and Decision Making, and the Society for Neuroeconomics. She has edited two major decision journals, serves on the editorial boards of multiple journals across several disciplines and on advisory committees of the U.S. National Academy of Sciences related to human dimensions in global change, and is a lead author in Working Group III for the 5th Assessment Report of the U.N. Intergovernmental Panel on Climate Change (IPCC).

David Weisbach

Dr. David Weisbach is a lawyer and economist and the Walter J. Blum Professor of Law at the University of Chicago. He is also a Senior Fellow at the University of Chicago Computation Institute and Argonne National Laboratories and an International Research Fellow at the Said School of Business, Oxford University.

Ben Wiley

Ben Wiley is a Professor of Chemistry at Duke University where he studies materials and methods for improving the efficiency of water electrolysis to create hydrogen for energy use.

John Witchel

Laura Wittig

Laura Wittig is the founder and CEO of Brightly, a lifestyle brand that promotes ‘conscious consumerism.’ She previously worked in tech for companies like Google, Adobe, and Amazon.

Laure Zanna

James Lawler

James Lawler is the founder of Climate Now. James started Climate Now as a way to learn about climate change and our energy system. Climate Now’s mission is to distill and communicate the science of our changing climate, the technologies that could help us avoid a climate crisis, and the economic and policy pathways to achieve net zero emissions globally. James is also the founder of Osmosis Films, a creative studio.

Dr. Ozak Esu

Dr. Ozak Esu is a video host at Climate Now. She is a Chartered Engineer and STEM Education Ambassador working in the built environment industry. Inspired by her lived experience of energy poverty growing up in Nigeria, she chose to pursue a career in Electronics and Electrical Engineering, receiving her PhD. in wind energy from Loughborough University, UK. Ozak is keen to contribute her knowledge and to be a voice for regions often underrepresented in conversations about climate change and a sustainable energy future.

Emma Crow-Willard

Emma Crow-Willard is managing producer at Climate Now. She conducted research with the NASA Orbiting Carbon Observatory team and Planetary Ices Group before moving into environmental film production, and has produced videos for clients around the world including the ACLU, VF Corporation, and National Geographic. Emma is eager to bring her technical background to good use at Climate Now!

Dr. Emily Pope

Emily Pope is a science writer for Climate Now. She received her PhD from Stanford University in Geological and Environmental Sciences. She has conducted research on the evolution of Earth’s atmosphere and hydrosphere, the optimization potential of energy from geothermal systems, and natural analogs for geologic carbon sequestration. Everyone has a stake in how we choose to address climate change. Thus, Emily is excited to develop content for Climate Now that makes the relevant scientific data, technological advances, and economic and political impacts clear and accessible.

Zury Lowell

Zury Lowell is an editor and motion graphics designer for Climate Now. They are a graduate of The Prague Film School and Northwestern University’s filmmaking program. Zury is passionate about the intersection of indigenous justice and environmental activism and is excited to help Climate Now affect meaningful change.

Josh Eriksen

Josh Eriksen is the art director at Climate Now where he creates video and still graphics. From lower-thirds to complex data visualization, he ensures our content provide a beautiful and clear visual experience for every audience. The mission of aggregating the most reputable and current research and findings on climate change, and then making that information accessible to neophytes and experts alike excites him. It’s a lofty goal, yes, but Josh believes in Climate Now’s potential to inspire and affect change in support of a healthier planet.

Anna La Roche

Anna La Roche is a video editor for Climate Now. She works throughout the post-production process to create everything from an initial rough cut through to the final piece. She develops, maintains, and applies the vision of the project to each edit and works hand-in-hand with the producer to deliver a successful final film. Anna is excited to understand climate change more deeply and to help spread that knowledge because this is an issue that affects everyone, and truly understanding is the first step to combating it.