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About Climate Now

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

Climate Now is a multimedia resource on the science and economics of climate change, covering the key scientific theories underpinning our understanding of how and why the climate is changing, clean energy technologies, important research, and policies relevant to the climate crisis and the energy transition. Our mission is to provide policy makers, business leaders, investors and journalists with the scientific and economic context necessary to make good decisions about policy formulation, capital allocation, and narrative focus.

Featured Experts

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.

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

Dr. Asefaw Berhe’s research lies at the intersection of soil science, global change science, and political ecology. She investigates how the soil system regulates the earth’s climate, and the dynamic two-way relationship between soil and human communities. She is the recipient of several awards and honors, including Fellow and Joanne Simpson Medal recipient from the American Geophysical Union; Fellow and Bromery Award recipient from the Geological Society of America; the National Science Foundation’s CAREER award, and member of the inaugural class of the US National Academies of Science, Engineering and Medicine’s New Voices in Science, Engineering, and Medicine.

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.

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

Mr. Britton has spent the past fifteen years working in the U.S. Senate, most recently serving as Chief of Staff for U.S. Senator Martin Heinrich (D-NM). He also served as a Senior Advisor to USDA Secretary Tom Vilsack, helping oversee the Natural Resources Conservation Service, Farm Service Agency, and the Forest Service.

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.

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

Dr. Sweta Chakraborty is a risk and behavioral scientist who is regularly interviewed on major, international news media outlets like CNN and MSNBC. Sweta is the US President for We Don’t Have Time, the world’s largest social network and review platform on the climate. She is a partner at Pioneer Public Affairs. She is also the founder and principle of Adapt to Thrive, a venture that seeks to better inform individuals, businesses, and government entities on the complex, interconnected challenges, such as food security and disease, already existing and emerging from a warming planet. She is an Independent Director at Lightbridge Corp. where she chairs the ESG committee, and is on advisory boards for Climate Power and EarthHQ–the media arm of Global Commons Alliance. She is a book author from her time as a postdoc at Oxford University. She is a TEDx, SXSW, and globally recognized keynote speaker for companies like Goldman Sachs and Mercer.

Bryan Comer

Bryan is a lead author of the Fourth International Maritime Organization Greenhouse Gas Study and is an expert on Arctic shipping issues, including efforts to reduce black carbon emissions and the use of heavy fuel oil. Bryan’s work highlights how maritime transportation can transition away from fossil-fueled ships to zero emission vessels.

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.

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

Dr. Rebecca Dell is the Program Director, Industry at ClimateWorks Foundation. Previously, she worked at the U.S. Department of Energy in the Obama administration, where she coordinated implementation of President Obama’s Climate Action Plan and was a lead analyst and author of the U.S. Quadrennial Energy Review. Before her federal service, Rebecca was a scientist at the Scripps Institution of Oceanography, studying the interaction between the ocean and land-based ice sheets like those in Greenland and Antarctica. She has a Ph.D. in climate science from MIT.

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.

Doyne Farmer

Dr. Farmer is the Director of the Complexity Economics programme at the Institute for New Economic Thinking at the Oxford Martin School, Baillie Gifford Professor of Mathematics at the University of Oxford, and an External Professor at the Santa Fe Institute. While a graduate student in the 1970s, Dr. Farmer built the first wearable digital computer, which was successfully used to predict the game of roulette.

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

Andy Frank is an energy efficiency industry expert, with experience building companies that make money through positive environmental impacts. Prior to starting Sealed, Andy was a co-founder of Efficiency 2.0, acquired by C3 AI, an energy efficiency software company that helped utilities save energy through customer engagement software. Currently, Andy also serves on the boards of the Alliance for Clean Energy New York as well as the Energy Efficiency Alliance of New Jersey.

Jon Freedman

Jon Freedman is based in Washington, DC, where he leads global government affairs for SUEZ Water Technologies & Solutions, which has operations in more than 100 countries. Jon currently serves on the board of directors of the WateReuse Association, where he chairs the policy committee, the board of directors of the International Desalination Association, where he serves as Secretary, and the EPA Financial Advisory Board.

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

John Barry Gallagher is a Research Associate with the Institute of Marine and Antarctic Studies, University of Tasmania. He is a b

Maria Galluci

Maria Gallucci is a clean energy reporter with Canary Media, covering hard-to-decarbonize sectors and how to make the energy transition more affordable and equitable. Previously, she was a contributing writer to a variety of publications including Grist, IEEE Spectrum, TIME and MIT Technology Review. Maria was an Energy Journalism Fellow at the University of Texas in 2017-2018, and gave a TED talk in 2021 on the role of green ammonia in decarbonizing shipping.

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

Michael Gerrard is a professor and faculty director at the Sabin Center for Climate Change Law at Columbia University. Before joining the Columbia faculty, he practiced law in New York, including at Arnold & Porter, where he remains a senior counsel at the New York office. He has written or edited 13 books on various topics in environmental and energy law.  His most recent book is Legal Pathways to Deep Decarbonization in the United States.

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

Dr. Meredith Glaser is the director of the Urban Cycling Institute and postdoctoral scholar at the University of Amsterdam, based in the Netherlands. She is a postdoctoral scholar at the University of Amsterdam, the academic director of the summer program Planning the Cycling City and co-developed the Coursera on-line course Unraveling the Cycling City.

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.

Jeff Hendler

Jeff Hendler is the Co-Founder and Chief Executive Officer of Logical Buildings. Jeff represents Logical Buildings as an Innovation Member of the Smart Cities Council and Board Member of Green Button Alliance. He also serves on the executive committee of the National Energy Marketers Association as their Smart Grid Committee Chairman. In addition, he is an active voting member of the NYISO and PJM Interconnection wholesale power grids.

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”.

Mowgli Holmes

Mowgli Holmes is a bioligist, and co-founder and CEO of Submarine, 

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

Jesse Jenkins is a macro-energy systems engineer and assistant professor at Princeton Univervity. Jesse is a lead researcher for the Rapid Energy Policy Evaluation and Analysis Toolkit Project, or REPEAT Project, which studies the environmental and economic impacts of climate policy.

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.

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.

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.

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.

Kevin J. Krizek

Dr. Kevin J. Krizek is a professor of Environmental Design at the University of Colorado Boulder. Through his work both domestic and international, he has developed informed insights into solving one of the world’s most pressing problems — how to reverse the automobile-focused nature of our environments, sharing remedies across borders that are both aspirational and evidence-based. His recent book provides a careful articulation of a reformist urban transport planning grounded in accessibility, sustainability, and social justice.

Jonathan Kusel

Jonathan founded the Sierra Institute in 1993 and has directed the organization ever since. He received a Ph.D. in Natural Resource Sociology and Policy from U.C. Berkeley, where he was an instructor before launching Sierra Institute. His dissertation focused on how rural northern Sierra communities changed following the departure of their wood products anchor businesses. This work, at the intersection of community and forest and watershed health formed the basis for the Sierra Institute’s mission and approach. He also holds a Masters in Forest Science from the Yale School of Forestry and Environmental Studies.

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.

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.

Joanna Lewis

Joanna Lewis is the Director of the Science, Technology, and International Affairs Program at Georgetown University’s School of Foreign Service. Dr. Lewis facilitates a research program at Georgetown focused on U.S.-China climate change engagement and is a faculty affiliate in the China Energy Group at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory. She is also the author of Green Innovation in China, and was a Lead Author of the Intergovernmental Panel on Climate Change’s Fifth Assessment Report.

James Lindsay

James Lindsay is the Vice President of Investment at Builders Vision, an impact platform dedicated to supporting people and organizations building a more humane and healthy planet through philanthropy, investment and advocacy.

Amory Lovins

Amory has been an energy advisor to major firms and governments in 70+ countries for over 45 years; is the author of 31 books and more than 700 papers; and is an integrative designer of super-efficient buildings, factories, and vehicles. Time has named Amory one of the world’s 100 most influential people, and Foreign Policy, one of the 100 top global thinkers.

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).

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

Alex McDonough started his career as a climate advisor for Senator Harry Reid, co-founded Clean Energy for America and is now a policy advisor and partner at , a clean energy lobbying firm.

Rick Mihelic

Rick Mihelic is the Director of Emerging Technologies at the North American Council for Freight Efficiency (NACFE) and the President of Mihelic Vehicle Consulting LLC. Rick assisted in the development of the Peterbilt/Cummins DOE SuperTruck and the compliance systems for the EPA’s Greenhouse Gas Regulations. He was awarded the prestigious SAE L. Ray Buckendale Award in 2016 and SAE Crawford award in 2020.

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.

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

A respected investor, advisor and entrepreneur at the intersection of technology and sustainability, Brook Porter brings decades of energy, transportation and agriculture expertise as a founding partner of G2VP. Previous to founding G2VP, Brook was a partner at Kleiner Perkins for nearly a decade. Prior to that he was a serial entrepreneur, Brook co-founded two sustainable transportation companies. Brook holds a B.S. degree in chemical engineering from the University of California, Berkeley, with an emphasis in environmental technology.

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

Nathan is the founder of the environmental consulting company Apogee Economics and Policy, and the TomKat Center Graduate Fellow in Sustainable Energy at Stanford University. His research is focused on the economics and financing of clean energy in the developing world.

Greg Rau

Greg Rau is a biogeochemist, and a Co-founder and Chief Technology Officer at Planetary Technologies. Planetary has developed a method of performing Ocean Alkalinity Enhancement (OAE) that they believe, if done at scale, can rebalance the carbon in our atmosphere and oceans.

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

Mike Roeth is the Executive Director of the North American Council for Freight Efficiency (NACFE) and the trucking lead for the Rocky Mountain Institute (RMI). He has worked in the commercial vehicle industry for over 35 years and specializes in brokering green truck collaborative technologies into the real world at scale.

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

Dave Rubin is the Head of Policy Research at Cruise,  a rideshare provider powered by self-driving, all-electric cars. Previously, he worked in strategic management consulting in Washington D.C. with a focus on transportation. Dave has a Master of Arts in Energy, Resources, and the Environment from Johns Hopkins University.

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

Will Sarni is the Founder and CEO of Water Foundry, a consulting firm that advises businesses and governments on water strategy, technology, and investment. Prior to Water Foundry, Will was a Managing Director at Deloitte Consulting and led the company’s water strategy practice.

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

Andy Stevenson is an electric vehicle battery materials advisor and investor. Previously, Stevenson was Chief Financial Officer of Redwood Materials, a battery recycling company, and a Special Projects Associate at Tesla.

Joshuah Stolaroff

Joshuah Stolaroff is the co-founder and CTO of Mote Hydrogen. He previously ran the Carbon Capture program at Lawrence Livermore National Laboratory and led projects at the intersection of advanced manufacturing and clean energy.

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.

Monica was previously part of the business operations team at Tesla, where she helped scale Model S manufacturing. She also worked at off-grid solar company Zola Electric, where she developed its distribution and logistics strategy in Tanzania and Rwanda. Monica spent a year as a researcher with the Program on Energy Security and Climate Change at the Council on Foreign Relations and worked on the sustainable seafood program at the World Wildlife Fund.

Monica holds a B.A. degree in Economics-Mathematics and Sustainable Development from Columbia University, where she graduated Phi Beta Kappa. She also holds an M.B.A. from Harvard Business School.

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, modeled and forecasted energy solutions to climate change as a senior research fellow at Project Drawdown, and managed innovation projects at Orano (formerly AREVA). 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.

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

Romany Webb is an Associate Research Scholar at Columbia Law School and Senior Fellow at the Sabin Center for Climate Change Law. Her research is focused on energy and negative emissions technologies.

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.

Laure Zanna

Dr. Laure Zanna is a Professor in Mathematics & Atmosphere/Ocean Science at the Courant Institute, New York University and the lead principal investigator of the NSF-NOAA Climate Process Team on Ocean Transport and Eddy Energy, and M2LInES – an international effort to improve climate models with scientific machine learning.

Climate Now Team

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.

Katherine Gorman

Katherine Gorman is a podcast host for Climate Now. She has worked for terrestrial public radio stations across the US, and is also co-host of the podcast “The Talking Machines”.  She is excited to democratize the climate conversation and to learn and share knowledge from experts in the field.

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!

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.

Divya Sriram

Divya Sriram is the Director of Partnerships at Climate Now. She comes from non-profit business development and revenue growth for a $400 million organization combating healthcare inequity for underrepresented communities. Prior, Divya explored telemedicine technology to improve outcomes for heart failure patients, and conducted clinical research to understand mild traumatic brain injury and its effects on pediatric wellness. She studied Biology and Health Policy Administration at Penn State and received her MBA from GWU. Divya is excited to empower Climate Now’s mission-driven partners to further their role in solving the global climate crisis. She firmly believes in Climate Now’s potential to inspire change and create a healthier, more sustainable world.

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.