Peter Frumhoff

Director of science & policy

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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.

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Exxon’s Early Knowledge of Climate Risks, Their Long Campaign of Climate Deception and Why It Matters

Internal Exxon memos recently brought to light through meticulous investigative reporting by Inside Climate News (ICN) show that senior company executives knew by 1978 that emissions of carbon dioxide from fossil fuels posed significant risks of disrupting the climate. Read more >

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Fossil Fuel Firms Are Still Bankrolling Climate Denial Lobby Groups

BP has withdrawn support to ALEC, a group known for misrepresenting climate science, but appearances can be deceptive. Oil, gas and coal companies remain firmly behind climate disinformation campaigns. Read more >

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Reflecting Sunlight to Cool Earth: The NAS Weighs Controversial Measures in New Report

The president’s science advisor John P. Holdren has often observed that humanity has three basic options for dealing with climate change: Mitigation (reducing heat-trapping emissions), adaptation (coping with unavoidable impacts of climate change), and suffering.  The more swiftly we both mitigate and adapt, the less suffering we endure and impose on future generations.

Suppose, however, that we falter and temperatures continue to rise to dangerous levels. In a climate emergency, facing high risks of major and otherwise unavoidable impacts, should the U.S. or other governments consider forced cooling of Earth by injecting reflecting aerosol particles into the stratosphere? Read more >

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Global Warming Fact: More than Half of All Industrial CO2 Pollution Has Been Emitted Since 1988

By the end of this year, more than half of all industrial emissions of carbon dioxide since the dawn of the Industrial Revolution will have been released since 1988 — the year it became widely known that these emissions are warming the climate. Read more >

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The IPCC’s New Climate Science Guide for the Perplexed Policymaker

It is remarkable how many U.S. elected officials appear to be baffled about climate change these days. Despite the long scientific consensus that emissions of heat-trapping gases from burning fossil fuels and other human activities are driving disruptive changes to Earth’s climate, “I am not a scientist” has recently become the response that some members of Congress, governors, and other politicians are now giving to questions about whether they think climate change is a problem.

If you are a confused policymaker, perhaps fearful of answering the question incorrectly, fear no longer. The world’s leading climate scientists have just created a handy guide for you. Read more >

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