Meet Our Bloggers
Western States Energy Manager and Senior Analyst
Adenike Adeyeye is the UCS Western States Energy Manager and a Senior Analyst. In her role, she focuses on advancing clean energy policy and reducing use of fossil fuels. Previously, she served as Chief of Staff to Commissioner Martha Guzman Aceves at the California Public Utilities Commission.
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, 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.
Maria Caffrey is a former National Park Service Partner who filed a whistleblower complaint against the agency in July 2019. She now works on issues related to climate change and scientific integrity.
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.
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 works to expose political interference in science from the Trump administration and Congress.
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.
Senior climate scientist
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.
Senior Energy Analyst
Joseph Daniel is a senior energy analyst with the Climate & Energy program at the Union of Concerned Scientists. In his role, he establishes policy positions, develops strategy, and produces analytics that spur innovation in energy markets to facilitate the transition to a modern electricity grid that is clean, affordable, flexible, and reliable. See Joseph's full bio.
Climate Vulnerability Social Scientist
Dr. Juan Declet-Barreto is a climate vulnerability social scientist for the UCS Climate & Energy program and the Center for Science and Democracy. Dr. Declet-Barreto earned a Ph.D. in environmental social sciences, M.A. and B.S. degrees in geography, and an associate’s degree in geographic information systems from Arizona State University. At UCS, his research maps, analyzes, and finds solutions to the unequal human health and livelihood impacts of environmental hazards, particularly those exacerbated by climate change. 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.
Anita Desikan is a research analyst for the Center for Science and Democracy at the Union of Concerned Scientists. In her role, she investigates the role of science in public policy, focusing on topics like scientific integrity at federal agencies, and political interference in the scientific rulemaking process. See Anita'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.
Scientist, Food and Environment
Rafter Ferguson is a scientist with the Food & Environment program at the Union of Concerned Scientists. Dr. Ferguson conducts research integrating quantitative empirical methods with critical social and political analyses, giving weight to both scientific expertise and grassroots perspectives. As a political agroecologist, his work addresses the multidimensional performance of farming systems as well as the ways in which our ideas about agriculture translate into policy with complex consequences. See Rafter'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.
Bilingual Senior Energy Analyst
Paula Garcia is a Bilingual Senior 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.
Former policy analyst
Daniel Gatti was 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.
Lead Midwest energy analyst
James Gignac is lead Midwest energy analyst for the Climate & Energy program at the Union of Concerned Scientists. Prior to joining UCS, Mr. Gignac served as environmental and energy counsel and as assistant attorney general to the Illinois Attorney General. Mr. Gignac earned a JD from Harvard Law School, and a BA in history and political science from Albion College. See his 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.
Former co-director, Global Security
Lisbeth Gronlund was 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. Lisbeth also wrote on All Things Nuclear.
Senior manager of govt. 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.
Senior Climate Justice and Health Scientist
Adrienne L. Hollis is the Senior Climate Justice and Health Scientist for the Climate & Energy Program at the Union of Concerned Scientists. In that role, she leads the development, design, and implementation of methods for accessing and documenting the health impacts of climate change on communities of color and other traditionally disenfranchised groups. Dr. Hollis works with environmental justice communities to identify priority health concerns related to climate change and other environmental assaults, and evaluates climate and energy policy approaches for their ability to effectively address climate change and benefit underserved communities. She develops and implements projects to document health impacts of climate change on communities of color, and ensures scientific information from UCS is communicated in a culturally competent and helpful manner to vulnerable populations.
Clean Vehicles Analyst
Samantha Houston is an analyst for the Clean Vehicles program at the Union of Concerned Scientists. In her role, she works to promote public policy and private investments for infrastructure supporting widespread electric vehicle integration. See Samantha's full bio.
Derrick Z. Jackson
Derrick Z. Jackson is a UCS Fellow in climate and energy and the Center for Science and Democracy. His UCS blog won a 2018 first prize from the National Society of Newspaper Columnists. He is co-author and photographer of Project Puffin: The Improbable Quest to Bring a Beloved Seabird Back to Egg Rock (Yale University Press, 2015). See Derrick'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.
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 a 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.
Director of Nuclear Power Safety, Climate & Energy
Dr. Lyman received his PhD in physics from Cornell University in 1992. He was a postdoctoral research scientist at Princeton University's Center for Energy and Environmental Studies, and then served as Scientific Director and President of the Nuclear Control Institute. See Ed's full bio.
Deputy director, Climate & Energy
Adam Markham is deputy director of the Climate & Energy program at the Union of Concerned Scientists. He helps lead UCS efforts to persuade policymakers to rapidly and effectively respond to the climate crisis, focusing particularly on climate impacts to national parks, protected areas, and cultural heritage. See Adam's full bio.
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.
Senior Energy analyst
Julie McNamara is a senior 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.
Maria Cecilia Pinto de Moura
Senior vehicles engineer
Maria Cecilia Pinto de Moura is senior vehicles engineer for the Clean Vehicles program at the Union of Concerned Scientists. In her role, Dr. Moura works to translate transportation energy and emissions analyses to regional policies that will reduce emissions from transportation in the Northeast and Mid-Atlantic states. Dr. Moura also works with the UCS Climate & Energy modeling team on national transportations energy and emissions modeling. See Cecilia's full bio.
Jose Pablo Ortiz Partida
Western States Climate Scientist
Pablo Ortiz is a Western states climate and water scientist for the Climate & Energy program at the Union of Concerned Scientists. He plans, designs, and carries out primary analysis on how changing climate patterns are impacting key sectors and populations in West Coast states, especially with regards to precipitation and water supply changes. Dr. Ortiz also works on developing strategies for vulnerable sectors and populations in California to cope and adapt to the current and projected impacts of climate change, particularly related to water impacts.
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.
Senior Climate Scientist
Geeta Persad was a senior climate scientist with the Climate & Energy Program at the Union of Concerned Scientists from 2018 to 2020. In her role, Dr. Persad conducted research and analysis related to climate change in the Western United States.
Kendall Science Fellow
Carly Phillips is the Kendall Fellow for Protecting Carbon in Alaska’s Boreal Forests with the Climate & Energy program at the Union of Concerned Scientists. Her work focuses on protecting carbon in boreal forests, specifically as wildfires increasingly threaten these ecosystems in Alaska. Dr. Phillips is leading a two-year collaboration between UCS and the Woods Hole Research Center that combines predictive modeling with economic analysis to weigh the cost of fire suppression against the social cost of large-scale carbon release. See Carly's full bio.
Corporate Analyst and Engagement Specialist
Nicole Pinko is a corporate analyst and engagement specialist with the Climate & Energy program at the Union of Concerned Scientists. She works on accountability campaigns for fossil fuel companies, including overseeing corporate campaign research, facilitating rapid responses to developments in and around the fossil fuel industry, cultivating investor and shareholder allies, engaging directly with UCS campaign targets, and writing reports. See Nicole's full bio.
Lead science and policy analyst
Genna Reed is a lead 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 lead 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
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. See John'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
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.
Mark Specht is an energy analyst for the Climate & Energy program at the Union of Concerned Scientists. In his role, he works to generate new research and policy solutions for integrating renewable energy into power grids, and scaling down reliance on fossil fuels in electricity systems throughout the Western states.
Solar Geoengineering Research, Governance and Public Engagement Fellow
Shuchi Talati is a UCS Fellow on solar geoengineering research governance and public engagement with the Climate & Energy program at the Union of Concerned Scientists. Dr. Talati works to guide sound governance and public engagement on research into proposed solar geoengineering approaches to limit global warming. See Shuchi's full bio.
Climate Resilience Analyst
Shana Udvardy is the climate resilience analyst 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.
Former co-director, Global Security
David Wright is a physicist and the former 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.David also wrote 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.
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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.