A Project of The Annenberg Public Policy Center

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.

FlackCheck Video: Warmest Year

Was 2014 “the planet’s warmest year on record,” as President Obama has said? This FlackCheck video uses an April 20 report from our SciCheck feature to examine that claim.

FactChecking Huckabee, Fiorina and Carson

The Republican presidential primary has three new contenders: former Arkansas Gov. Mike Huckabee; former Hewlett-Packard CEO Carly Fiorina; and retired neurosurgeon Ben Carson.

The Extreme Weather-Warming Connection

Rep. Lamar Smith made several incorrect claims in a Wall Street Journal opinion piece regarding connections between climate change and severe weather.

Cruz on the Global Cooling Myth and Galileo

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.

Cruz Distorts NASA’s Mission, Budget

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.

Will Power Plant Rules Cause Blackouts?

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 Video: SciCheck Findings

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.

Nothing False About Temperature Data

Rep. Gary Palmer falsely claimed on a radio show that temperature data used to measure global climate change have been “falsified” and manipulated.