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Hurricane Harvey and Climate Change

Hurricane Harvey has brought with it both a record amount of rain and questions about how much climate change can be blamed for the storm. Climate change did not cause Harvey, or any other storm, but it makes intense storms like Harvey more likely to occur, scientists say.

CO2: Friend or Foe to Agriculture?

Rep. Lamar Smith said climate change “alarmists” ignore the “positive impacts” of more carbon dioxide in the atmosphere, such as increased food production and quality. But the impact of increased CO2 levels on agriculture is more complicated than that — and, on balance, likely negative, particularly in the future.

FactChecking Trump’s Iowa Rally

The 2020 presidential campaign is more than 1,200 days away, but President Donald Trump held yet another Make America Great Again rally — this time in Cedar Rapids, Iowa. And, as he did in past campaign speeches, Trump spoke for a long time and reeled off numerous false and misleading claims.

Trump Official Wrong About Warming, Again

In an interview on CNBC, Energy Secretary Rick Perry said carbon dioxide is not “the primary control knob” for the Earth’s temperature and climate. But scientists say it’s “extremely likely” that human activity — primarily CO2 emissions — is the main cause of global warming.

Will Paris Have a ‘Tiny’ Effect on Warming?

President Donald Trump and his top environmental official said the Paris Agreement would reduce the global average temperature by only 0.2 degrees Celsius. Former Vice President Al Gore said that’s “not true.” Who’s right?

Gore and Pruitt Debate Paris Targets

Former Vice President Al Gore and Environmental Protection Agency head Scott Pruitt made competing claims about whether the U.S. could have changed its emissions targets under the Paris Agreement, instead of pulling out of the deal. Legal experts side with Gore, who claimed the targets could have been changed.

Trump on China, India and Coal

Trump wrongly claimed that the Paris Agreement would allow China to “build hundreds of additional coal plants” and allow India to “double its coal production by 2020” but the United States “can’t build the plants.”

FactChecking Trump’s Climate Speech

In announcing that the U.S. would withdraw from the Paris Agreement, a global accord aimed at addressing climate change, President Donald Trump made more than a few false and misleading claims.

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

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.