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A Project of The Annenberg Public Policy Center

Trump on the Paris Agreement

Trump on the Paris Agreement

Trump made two claims about the Paris Agreement, a global accord aimed at addressing climate change, that require context.

Pruitt on the Paris Accord

Pruitt on the Paris Accord

Appearing on ABC’s “This Week,” Environmental Protection Agency Administrator Scott Pruitt made two false claims about the Paris Accord, a global agreement aimed at addressing climate change.

Pruitt on Climate Change, Again

Pruitt on Climate Change, Again

The head of the EPA told CNBC that he “would not agree” that “human activity,” or carbon dioxide emissions, is the “primary contributor” to global warming. But scientists say it’s “extremely likely” that human activity is the main cause of warming since the mid-20th century.

Precision in Climate Science

Precision in Climate Science

A number of President Trump’s cabinet members have said that scientists cannot precisely measure climate change nor the impact of human activity on climate change. That’s not accurate.

No Data Manipulation at NOAA

No Data Manipulation at NOAA

Top Republicans on the House science committee claim a former National Oceanic and Atmospheric Administration scientist “confirmed” that his NOAA colleagues “manipulated” climate data for a 2015 study. But that scientist denies that he accused NOAA of manipulating data.

Tillerson on Climate Change

Tillerson on Climate Change

During his confirmation hearing for secretary of state, Rex Tillerson said “our ability to predict” the effect of increased greenhouse gas concentrations in the atmosphere “is very limited.” That’s not entirely accurate.

FactChecking Science in 2016

FactChecking Science in 2016

We look back at some of the more questionable science-related claims from 2016 on topics such as climate change, Zika, GMOs, marijuana and the human mind.

Trump on Climate Change

Trump on Climate Change

President-elect Donald Trump told the New York Times he had an “open mind” about climate change, but he went on to repeat some of the same false and misleading claims that have been used by those who reject mainstream climate science.

Pence’s Stance on Climate Change

Pence’s Stance on Climate Change

Tim Kaine has misrepresented Mike Pence’s current stance on climate change, making it a regular talking point in his campaign speeches.

The Candidates on Climate Change

The Candidates on Climate Change

We delve into the presidential candidates’ stances and claims on an issue that has received little attention in this campaign.