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.
The Republican presidential primary has three new contenders: former Arkansas Gov. Mike Huckabee; former Hewlett-Packard CEO Carly Fiorina; and retired neurosurgeon Ben Carson.
Sen. Ted Cruz cited a 1975 Newsweek article on “global cooling” to question the evidence of global warming, and in the process made several incorrect and unsubstantiated claims.
During his critique of NASA’s spending on earth and atmospheric sciences at a recent committee hearing, Sen. Ted Cruz made some misleading claims regarding the agency’s budgets and the science that it conducts.
The head of the Environmental Protection Agency told Congress her agency’s proposed rules governing carbon dioxide emissions from power plants will not affect the reliability of electricity service. That’s debatable.
FlackCheck.org, our sister website for political literacy, recaps the recent work of SciCheck, our new feature on false and misleading scientific claims that are made by partisans to influence public policy.