A Project of The Annenberg Public Policy Center

Trump’s False ‘Facts’ on the Environment

Trump’s False ‘Facts’ on the Environment

Just as CNN was beginning its climate town hall event, President Donald Trump tweeted a list of “8 facts” boasting of the nation’s air quality and carbon emissions reductions. Several of his “facts,” however, are inaccurate or misleading.

Amazon Doesn’t Produce 20% of Earth’s Oxygen

Amazon Doesn’t Produce 20% of Earth’s Oxygen

Q: Does the Amazon produce 20% of the world’s oxygen?

A: No. Scientists estimate the percentage is closer to 6 to 9%, and the Amazon ultimately consumes nearly all of that oxygen itself. 

Trump’s False Auto Industry Tweets

Trump’s False Auto Industry Tweets

President Donald Trump inaccurately tweeted that his fuel efficiency plan would reduce the cost of cars “by more than $3000” and make them “substantially safer.” Even going by his administration’s analysis — which many experts doubt — he inflated the savings and is wrong about car safety.

Williamson Misleads on Children’s Health, Vaccines

Williamson Misleads on Children’s Health, Vaccines

In a July 31 television interview, Democratic presidential candidate Marianne Williamson inaccurately implied there might be a connection between vaccines and higher reported rates of childhood chronic diseases. She is correct that reported rates of chronic conditions in kids have increased over the last several decades, but there is no scientific evidence to suggest vaccines are the cause.

When Are Heartbeats Audible During Pregnancy?

When Are Heartbeats Audible During Pregnancy?

Q: When is the human heart fully developed, and when are heartbeats audible during pregnancy?

A: A developing heart has all of its primary structures after about nine weeks of pregnancy. Some forms of ultrasound can detect cardiac activity in an embryo in the sixth week, but a heartbeat wouldn’t be audible until about 10 weeks on a Doppler fetal monitor.

Unpacking Biden’s and Trump’s Big Cancer Promises

Unpacking Biden’s and Trump’s Big Cancer Promises

On the campaign trail, former Vice President Joe Biden and President Donald Trump have both claimed that a cure to cancer would soon become a reality — if they were elected in 2020. Experts, however, don’t share that degree of optimism.

Does Wind ‘Work’ Without Subsidies?

Does Wind ‘Work’ Without Subsidies?

President Donald Trump has repeatedly questioned the economics of wind energy, saying that wind “doesn’t work” without subsidies. Experts have differing assessments of that. By some metrics, wind power is already competitive with fossil fuels without subsidies. But other measures don’t come to the same conclusion.

Trump Twists Facts in Environmental Speech

Trump Twists Facts in Environmental Speech

In a July 8 speech dedicated to the environment, President Donald Trump made a series of misleading or false statements as he played up the U.S.’s environmental achievements, many of which predate his time as commander-in-chief.

Trump Bungles Climate Change in UK

Trump Bungles Climate Change in UK

During a trip to the United Kingdom, President Donald Trump once again expressed skepticism about climate change, making several false or misleading statements in a television interview on “Good Morning Britain” with host Piers Morgan.

Steve King’s Climate Change Rainfall Claims

Steve King’s Climate Change Rainfall Claims

In a recent town hall, Iowa Rep. Steve King focused on the positives of climate change, inaccurately stating that increased evaporation under higher temperatures will lead to rain in “more and more places” — a result that’s “surely gotta shrink the deserts and expand the green growth.”