The candidates flubbed claims on vaccines, immigration, Hillary Clinton and more.
FactChecking the CNN Republican Debate
Issues: climate change
Palin Off on Glaciers and Global Warming
Sarah Palin says man isn’t to blame for climate change, citing the fact that some glaciers in Alaska are expanding. But an individual glacier’s growth does not disprove the existence or causes of global warming. The vast majority of glaciers are losing ice rapidly.
Santorum’s Climate Consensus Claims
Rick Santorum made two false claims regarding the scientific consensus on climate change in an interview with HBO’s Bill Maher.
The Bear Facts
Senate Minority Leader Harry Reid has said at least twice that climate change is causing bears in the Sierra Nevada mountains to change their hibernation patterns. There is no evidence that climate change is actually having such an effect.
Mailbag: Volcanic Versus Human SO2 Emissions
Readers sent us letters regarding the contributions of human-caused and volcanic emissions of sulfur dioxide, or SO2.
Huckabee’s Hot Air on Volcanoes
Mike Huckabee claimed that a single volcanic eruption “will contribute more than 100 years of human activity” toward global warming. This is far from accurate.
Polar Bears and Extreme Weather
SciCheck writer Dave Levitan of FactCheck.org was interviewed by Ira Flatow for a segment on Science Friday about the 10th International Conference on Climate Change.
FlackCheck Video: FactChecking Jeb Bush
This video reviews some of the past claims we have fact-checked from former Florida governor Jeb Bush.
FactChecking Jeb Bush
Jeb Bush, the brother of one president and son of another, plans to join the 2016 presidential campaign today. It is the first time he has run for national office, so our file on him isn’t as robust as those for some other candidates.
Jeb Bush Off on Contributions to Warming
Jeb Bush claimed that the science is unclear as to how much humans contribute to global warming. The United Nations climate change research organization, however, said it was “extremely likely” that more than half of the warming since 1950 is due to human activities.