Meet Our Bloggers
Research and deputy director, Clean Vehicles
Don Anair is a senior engineer with expertise on diesel, hybrid and battery electric vehicle, and goods movement technologies and the policies needed to turn them into real solutions for U.S. oil dependence, air pollution and global warming. He holds a master’s degree in electrical engineering. See Don's full bio.
Director of Climate & Energy
Angela Anderson is the director of the Climate and Energy Program. She leads UCS efforts to persuade government officials to enact policies that encourage clean energy and result in global warming emission reductions. Ms. Anderson advocates on international policy responses to the threat of global climate change. See Angela's full bio.
Western states policy manager
Jason advocates for UCS’s policy priorities in California and other western states. He meets with government officials, builds partnerships with allies, and helps manage legislative and regulatory campaigns to advance UCS priorities on climate change, energy, and transportation issues. See Jason's full bio.
Scientific adviser, Climate and Energy
Doug Boucher is an expert in preserving tropical forests to curtail global warming emissions. He has been participating in United Nations international climate negotiations since 2007 and his expertise has helped shape U.S. and U.N. policies. He holds a Ph.D. in ecology and evolutionary biology from the University of Michigan. See Doug's full bio.
Research scientist, Center for Science and Democracy
Jacob Carter is a research scientist for the Center for Science and Democracy at the Union of Concerned Scientists. In this role, Dr. Carter investigates how science is used in the policy-making process, focusing on issues of scientific integrity across the federal government. See Jacob's full bio.
Senior Fellow, Center for Science and Democracy
Joel Clement is a Senior Fellow with the Center for Science and Democracy at the Union of Concerned Scientists and the public face of the UCS Science Protection Project, through which federal scientists may confidentially report political interference in government science. Mr. Clement served in the US Department of the Interior (DOI) before becoming a whistleblower in 2017. He now works to expose political interference in science from the Trump administration and Congress. See Joel's full bio.
Director of energy research, Clean Energy
Steve Clemmer is the director of energy research and an expert on the economic and environmental benefits of implementing renewable energy technologies and policies at the state and national levels. He holds a master’s degree in energy analysis and policy from the University of Wisconsin. See Steve's full bio.
Senior vehicles analyst
Dave Cooke is a senior vehicles analyst in the Clean Vehicles Program, specializing in both light- and heavy-duty fuel economy. He conducts research on fuel efficiency technologies and the implications for oil consumption and greenhouse gas emissions across the transportation sector. See Dave's full bio.
Kristina Dahl is a climate scientist who designs, executes, and communicates scientific analyses that make climate change more tangible to the general public and policy makers. Her research focuses on the impacts of climate change--particularly sea level rise--on people and the places and institutions they care about. Dr. Dahl holds a Ph.D. in paleoclimate from the MIT/WHOI Joint Program in Cambridge and Woods Hole, Massachusetts.
Juan Declet-Barreto is a climate scientist for the UCS Climate & Energy program and the Center for Science and Democracy. He partners with environmental justice groups and activists to research the potential effects of carbon trading on disadvantaged communities, as individual states begin implementation of the EPA’s Clean Power Plan. See Juan's full bio.
Marcia DeLonge is a senior scientist in the Food & Environment Program at the Union of Concerned Scientists (UCS). Dr. DeLonge conducts scientific research and analyses identifying practices that lead to healthy, sustainable food and farming systems. See Marcia's full bio.
Director of state policy & analysis, Clean Energy
Jeff Deyette is the director of state policy and analysis and has expertise on the economic and environmental implications of renewable energy and energy efficiency policies at the state and federal level. He holds a master’s degree in energy resource and environmental management & international relations. See Jeff's full bio.
Senior climate scientist
Brenda Ekwurzel is a senior climate scientist and the director of climate science at UCS. She has expertise on many aspects of climate variability, including the Arctic Ocean and sea ice, wildfires, groundwater, and coastal erosion. She holds a Ph.D. in isotope geochemistry from Columbia University (Lamont-Doherty Earth Observatory). See Brenda's full bio.
Kendall Science Fellow
Richard Ezike is the Mobility and Equity Kendall Science Fellow with the Clean Vehicles program at the Union of Concerned Scientists. His interests lie in the intersection of equity, accessibility, and providing opportunity for every person to a robust transportation system. See Richard's full bio.
Director of science & policy
Peter Frumhoff is a global change ecologist and serves as chief scientist for the UCS climate campaign. Dr. Frumhoff is an internationally-recognized expert on climate change impacts, climate science and policy, tropical forest conservation and management, and biological diversity. He holds a Ph.D. in Ecology. See Peter's full bio.
Paula Garcia is an energy analyst in the Climate and Energy Program at the Union of Concerned Scientists. She evaluates energy resource- and climate change mitigation- options in the electricity sector and works to advance public understanding of renewable and conventional energy technologies, policies and markets. See Paula's full bio.
Daniel Gatti is a policy analyst for the Clean Vehicles program at the Union of Concerned Scientists. Gatti’s work is focused on efforts to reduce emissions in the transportation sector in the Northeast region, through electrification, efficiency, and clean fuels. See Daniel's full bio.
Research Director, Center for Science and Democracy
Gretchen Goldman is a research director in the Center for Science and Democracy at UCS. She holds a PhD and MS in environmental engineering from the Georgia Institute of Technology and a BS in atmospheric science from Cornell University. See Gretchen's full bio.
Physicist & co-director, Global Security
Lisbeth Gronlund is a physicist and co-director of the Global Security Program. She is an expert on technical issues related to U.S. nuclear weapons policy, and new nuclear weapons, space weapons, and ballistic missile defenses. See Lisbeth's full bio. Lisbeth also blogs on All Things Nuclear.
Sr. Manager of Government Affairs
Jonna Hamilton is the Senior Manager of Government Affairs in the Clean Vehicles Program at the Union of Concerned Scientists (UCS). In that role, she leads interactions with Congress, executive branch agencies, and the White House on topics pertaining to fuel efficient cars, electric vehicles, and fuels policy. See Jonna's full bio.
Director, Climate Science Center, Texas Tech University
Katharine Hayhoe is a climate scientist and director of the Climate Science Center, Texas Tech University Lubbock, TX.
Derrick Z. Jackson
Derrick Z. Jackson is a UCS Fellow in climate and energy and the Center for Science and Democracy. He is an award-winning journalist and co-author and photographer of Project Puffin: The Improbable Quest to Bring a Beloved Seabird Back to Egg Rock, published by Yale University Press (2015). See Derrick's full bio.
Researcher, Center for Science & Democracy
Charise Johnson is a research associate in the Center for Science and Democracy at the Union of Concerned Scientists. She works primarily in partnership with justice-based groups, providing analysis that connects data-driven research with public health and community impacts. See Charise's full bio.
Ken Kimmell is president of the Union of Concerned Scientists and has more than 30 years of experience in government, environmental policy, and advocacy. He is a national advocate for clean energy and transportation policies and a driving force behind UCS’s “Power Ahead” campaign to build a large and diverse group of clean energy leadership states. Prior to joining UCS in May 2014, Mr. Kimmell was the Commissioner of the Massachusetts Department of Environmental Protection (MassDEP), and served as chairman of the board of the Regional Greenhouse Gas Initiative. See Ken's full bio.
Washington representative, Center for Science and Democracy
Yogin Kothari is a Washington representative with the Center for Science and Democracy at the Union of Concerned Scientists. He advocates for science-based policy solutions on a number of issues, including the regulatory process, endangered species, and chemical safety. He also works to reduce political interference in federal science and increase transparency and accountability. A graduate of George Washington University, Kothari been with UCS since 2011. Previously, he worked on Capitol Hill before serving as lead assistant director at Grassroots Campaigns. See Yogin's full bio.
China project manager and senior analyst
Gregory has lived and worked in China for the better part of the last twenty-five years facilitating exchanges between academic, governmental, and professional organizations in both countries. Since joining the Union of Concerned Scientists in 2002, he has focused on promoting and conducting dialog between Chinese and American experts on nuclear arms control and space security. His areas of expertise are Chinese foreign and security policy, Chinese space program, international arms control, cross-cultural communication. He received his Ph.D. in Political Theory from the University of Maryland, College Park in 1994. See Gregory's full bio. Gregory also blogs on All Things Nuclear.
Kendall Science Fellow
Michael Latner is a Kendall Voting Rights Fellow with the Center for Science and Democracy. His research focuses on political representation and electoral systems. His most recent work has focused on redistricting and gerrymandering in the United States, and the impact of electoral administrative law on political participation. Michael holds a Ph.D. in political science from the University of California at Irvine, and is an associate professor of political science at California State Polytechnic University, where he recently directed the Masters in Public Policy program. See Michael's full bio.
Senior climate scientist
Rachel Licker is a senior climate scientist with the Climate & Energy Program at the Union of Concerned Scientists. In her role, Dr. Licker communicates climate science to policymakers, the public, and the media. She analyzes new developments in climate science and works to defend climate science budgets and programs. See Rachel's full bio.
Deputy director, Climate & Energy Program
Adam Markham is deputy director of the Climate and Energy Program at the Union of Concerned Scientists. He is leading efforts to build a national Climate Impacts Collaborative and working with a broad array of stakeholders to focus the attention of policy makers and others on local climate impacts and the need for effective resilience strategies and policy solutions. See Adam's full bio.
Senior scientist, Clean Vehicles
Jeremy Martin is a scientist with expertise in the technology, lifecycle accounting, and water use of biofuels. He is working on policies to help commercialize the next generation of clean biofuels (made from waste and biomass rather than food) that can cut U.S. oil dependence and curb global warming. He holds a Ph.D. in chemistry with a minor in chemical engineering. See Jeremy's full bio.
Julie McNamara is an energy analyst with the Climate & Energy program at the Union of Concerned Scientists. In her role, she analyzes state, regional, and national policies relating to clean energy development and deployment. Ms. McNamara holds an M.S. in technology and policy from MIT, and a B.A. in biology and political economy from Williams College. See Julie's full bio.
Director of strategy & policy
Alden Meyer has more than 30 years of experience on energy and climate policy. He is internationally recognized expert on U.S. and international climate policy. He also works extensively on renewable energy and electricity policy at the federal and state level. See Alden's full bio.
Karen Perry Stillerman
Senior analyst, Food and Environment
Karen Perry Stillerman is an analyst and advocate for transforming the U.S. agriculture and food system to one that produces affordable, healthful foods for consumers; reduces air and water pollution; and builds healthy soil for the farmers of tomorrow. She holds a master's degree in public affairs and environmental policy. See Karen's full bio.
Science and policy analyst, Center for Science and Democracy
Genna Reed is a science and policy analyst in the Center for Science and Democracy at the Union of Concerned Scientists. In her role, she researches political and corporate influences on science-informed decision making—working to inform the public about issues where science is stifled or obscured, and to ensure that federal, state, and local policies are based on rigorous, independent science. See Genna's full bio.
Food Systems & Health Analyst
Sarah Reinhardt is the food systems and health analyst for the Food & Environment program at the Union of Concerned Scientists. In her role, she applies her academic expertise in nutrition and her practical experience in equitable and sustainable food systems to support increased consumer access to healthy foods, and the development of a comprehensive national food policy.See Sarah's full bio.
As executive director of UCS, Dr. Kathleen Rest leads the organization, overseeing programs and operations, drawing upon a wealth of experience in government, academia, and the nonprofit sector to help guide the organization on issues ranging from climate change to global security. See Kathleen's full bio.
Senior energy analyst
Jeremy Richardson is a senior energy analyst in the Climate and Energy program, conducting analytical work on the Environmental Protection Agency’s carbon regulations. Prior to this position, Dr. Richardson was a Kendall Science Fellow and researched the fundamental cultural and economic drivers of coal production in West Virginia. He has a Ph.D. and M.S. in physics from the University of Colorado at Boulder as well as a B.S. in Physics from West Virginia University. See Jeremy's full bio.
Senior energy analyst, Clean Energy
John Rogers is a senior energy analyst at the Union of Concerned Scientists with expertise in clean energy technologies and policies and a focus on solar, wind, and natural gas. He has appeared numerous times on radio and television, and has been cited in many local and national publications. He earned a bachelor’s degree at Princeton University and a master’s degree in mechanical engineering at the University of Michigan.
Jamesine Rogers Gibson
Western states senior climate analyst
Jamesine Rogers Gibson is the Western states senior climate analyst for the Climate & Energy program at the Union of Concerned Scientists. Ms. Rogers Gibson conducts research and policy analysis to inform and build support for robust climate policies in California and the Western states. See Jamesine's full bio.
Director, Center for Science & Democracy
Andrew Rosenberg is the director of the UCS Center for Science and Democracy. He leads UCS's efforts to advance the essential role that science, evidence-based decision making, and constructive debate play in American policy making. See Andrew's full bio.
Seth Shulman is editorial director at the Union of Concerned Scientists. Prior to joining UCS in 2012, he had a long and varied career as a science journalist, columnist, and author, writing six books and hundreds of articles for magazines including The Atlantic, Discover, Nature, Parade, Rolling Stone, Smithsonian, Technology Review, and Time. See Seth's full bio.
Senior analyst, Climate & Energy Program
Erika Spanger-Siegfried, a senior analyst in the Climate and Energy program at the Union of Concerned Scientists, researches, writes and speaks about U.S. climate change impacts and preparedness.She holds a master’s degree in energy and environmental analysis from Boston University and a B.S. in fisheries biology from the University of Massachusetts Amherst.. See Erika's full bio.
Climate Preparedness Specialist
Shana Udvardy is the climate preparedness specialist with the Climate & Energy program at the Union of Concerned Scientists. She conducts research and policy analysis to help inform and build support to increase resilience to climate change impacts. Ms. Udvardy is a Certified Floodplain Manager, and holds a M.S. in Conservation Ecology and Sustainable Development from the University of Georgia’s Odum School of Ecology and a B.A. from Syracuse University’s Maxwell School. See Shana's full bio.
Physicist & co-director, Global Security
David Wright is a physicist and the co-director of the Global Security Program. He is a nationally known expert on the technical aspects of missile defense systems, missile proliferation, and space weapons. See David's full bio.David also blogs on All Things Nuclear.
Leading experts from a variety of fields bring their insights to The Equation, providing guest commentary on a broad range of issues that connect to our work. Views expressed here belong to the authors, not UCS.
UCS Science Network
Through our Science Network, UCS collaborates with nearly 20,000 scientists and technical experts across the country, including physicists, ecologists, engineers, public health professionals, economists, and energy analysts. Science Network Voices gives Equation readers access to the depth of expertise and broad perspective on current issues that our Science Network members bring to UCS. The views expressed in Science Network posts are those of the author alone.