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.

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.

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.

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.

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.

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.

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.

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.

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”.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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!

Erika Moreno

Erika Moreno is a science writer for Climate Now. Her background includes a Master of Advanced Studies degree in Climate Science and Policy from Scripps Institution of Oceanography, and a Bachelor’s degree in Environmental Engineering from University of California San Diego. She is passionate about factual and effective climate science communication and is excited to help Climate Now equip members of the public and private sectors with the information they need to help in the fight against climate change. 

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.

Jenni Castoe

Jenni Castoe is the marketing and social media coordinator at Climate Now. She studied journalism and political science at Penn State University where she was an environmental science teaching assistant. Jenni is excited to use her background in media to effectively communicate climate science and its solutions to help individuals enter the climate conversation with a scientific understanding.

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 the 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.

Megumi Yoshida

Megumi Yoshida is the junior video editor for Climate Now. Through working on Climate Now, Meg has appreciated the opportunity to gain a deeper understanding of climate change. As someone who grew up with chronic illnesses, it has always been clear to her the urgent necessity to improve the quality of our environment, especially for the most vulnerable amongst us. Meg strongly believes that education is a critical factor in bringing about actual change. She is excited to join the Climate Now team to bring forward this important and timely series.

Liz Najman

Liz Najman is a science writer for Climate Now. She is a Brooklyn-based atmospheric scientist with a professional background in communications and project management. Although trained in quantitative research and analysis, Liz is happiest when she is working to make the technical accessible to all. She is excited to be part of a project that is mainstreaming scientific thought and providing people with information needed to be climate informed and aware. 

Eric Niiler

Eric Niiler is a science writer for Climate Now. He is a contributing writer at WIRED covering climate and technology and has reported on climate change from Estonia to Antarctica in the past decade. Niiler also teaches science writing at Johns Hopkins University and develops video scripts with NOAA’s Office of Ocean Exploration and Research. He believes climate change is the world’s top story right now, and is excited to be part of the Climate Now team.