Global Warming Experts

• Angela Ledford Anderson, Director, Climate and Energy Program

  Angela Ledford Anderson, director of the UCS Climate and Energy Program, is leading our efforts to persuade government officials to enact policies that support clean energy and result in global warming emissions reductions. Read Angela 's biography

• Doug Boucher, Director, Tropical Forests & Climate Initiative

  As director of the UCS Tropical Forest and Climate Initiative, Doug Boucher coordinates the work of scientists, economists, and other UCS analysts in the Climate and Energy Program. Read Doug's biography

• Rachel Cleetus, Senior Climate Economist

  Rachel Cleetus, a senior economist with the UCS Climate and Energy Program, designs and advocates effective global warming policies at the federal, regional, state, and international levels. Read Rachel 's biography

• Nancy Cole, Campaign Director, Climate & Energy Program

  Nancy Cole is the campaign director for UCS's Climate & Energy Program. Read Nancy 's biography

• Brenda Ekwurzel, Senior Climate Scientist

  Brenda Ekwurzel is leading UCS's climate science education work aimed at strengthening support for strong federal climate legislation and sound U.S. climate policies. Read Brenda 's biography

• Melanie Fitzpatrick, Climate Scientist

  Melanie Fitzpatrick, a climate scientist with the UCS Climate and Energy Program is an expert on local and global consequences of climate change. Read Melanie's biography

• Lael Goodman, Analyst, Tropical Forests

  Lael Goodman, an analyst with the Tropical Forest and Climate Initiative, conducts research and analysis to support reducing tropical deforestation. Read Lael's biography

• Adam Markham, Director of Climate Impacts

  Adam Markham directs UCS’s special initiative on climate impacts and works 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. Read Adam's biography

• Roberto Mera, Kendall Science Fellow in Climate Attribution

  As a UCS Kendall Science Fellow in climate attribution, Roberto Mera will be analyzing specific carbon emissions to determine how they are affecting global temperatures and extreme heat events. Read Roberto's biography

• Alden Meyer, Director of Strategy & Policy

  Alden Meyer, an expert on international and domestic climate change policy, provides strategic guidance for our advocacy on energy, transportation, agriculture, and arms control issues. Read Alden's biography

• Erika Spanger-Siegfried, Senior Analyst, Climate & Energy Program

  Erika Spanger-Siegfried manages the energy and water project, a collaboration between the Union of Concerned Scientists and a multi-disciplinary team of more than 40 scientists from across the region. Read Erika's biography

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