Latest Articles RFK Jr.'s 'chemtrails' probe shows the power conspiracy theories have to shape health policy By Stephanie Armour • October 20, 2025 Here’s what we know about LA fire department’s DEI efforts, which Republicans have attacked By Grace Abels • January 17, 2025 Fact-check: Los Angeles fires fuel falsehoods, including by Trump, about water management By Jeff Cercone • January 10, 2025 Do you know Trump and Harris’ talking points? Prep for the presidential debate with fact-checks By Louis Jacobson • September 6, 2024 Fact-checking the third GOP presidential debate in Miami By PolitiFact Staff • November 9, 2023 Donald Trump’s off-base claims about electric car ‘mandates’ and markets By Matthew Crowley • October 11, 2023 Red light on ‘greenwashing’? US regulatory agency takes fresh look at deceptive climate claims By Tom Kertscher • July 17, 2023 Anti-abortion advocates turn to the environment: Is mifepristone in wastewater a threat? By Samantha Putterman • May 31, 2023 US versus China: Which nation is doing more to address climate change? By Tom Kertscher • March 27, 2023 The Ohio train derailment: What we know about health, environmental concerns By Louis Jacobson • February 15, 2023 Ohio derailment is just the latest serious industrial accident in the U.S. By Louis Jacobson • February 15, 2023 What's the ‘zero emissions’ break-even point for electric cars? Hard to tell. By Kristin Hugo • December 6, 2022 Fact-checking Raphael Warnock and Herschel Walker in Georgia's Senate race By Louis Jacobson • November 4, 2022 Experts say Biden’s achievements are similar to recent presidents. But Democrats aren't touting them By Louis Jacobson • October 19, 2022 Why it’s hard to compare electricity use between electric cars and household appliances By Kristin Hugo • August 25, 2022 Kilimanjaro’s ice fields didn’t disappear by 2020. That doesn’t mean climate change isn’t happening By Madison Czopek • February 7, 2022 Tracking Biden's campaign promises, one year in By Louis Jacobson • January 18, 2022 US climate change spending overseas: Does the public support it? By Louis Jacobson • November 5, 2021 Why are oil prices so high? And what can be done about it? By Louis Jacobson • November 4, 2021 Fact-checking Texas Republicans on blackout blame By Brandon Mulder • February 18, 2021
RFK Jr.'s 'chemtrails' probe shows the power conspiracy theories have to shape health policy By Stephanie Armour • October 20, 2025 Here’s what we know about LA fire department’s DEI efforts, which Republicans have attacked By Grace Abels • January 17, 2025 Fact-check: Los Angeles fires fuel falsehoods, including by Trump, about water management By Jeff Cercone • January 10, 2025 Do you know Trump and Harris’ talking points? Prep for the presidential debate with fact-checks By Louis Jacobson • September 6, 2024 Fact-checking the third GOP presidential debate in Miami By PolitiFact Staff • November 9, 2023 Donald Trump’s off-base claims about electric car ‘mandates’ and markets By Matthew Crowley • October 11, 2023 Red light on ‘greenwashing’? US regulatory agency takes fresh look at deceptive climate claims By Tom Kertscher • July 17, 2023 Anti-abortion advocates turn to the environment: Is mifepristone in wastewater a threat? By Samantha Putterman • May 31, 2023 US versus China: Which nation is doing more to address climate change? By Tom Kertscher • March 27, 2023 The Ohio train derailment: What we know about health, environmental concerns By Louis Jacobson • February 15, 2023 Ohio derailment is just the latest serious industrial accident in the U.S. By Louis Jacobson • February 15, 2023 What's the ‘zero emissions’ break-even point for electric cars? Hard to tell. By Kristin Hugo • December 6, 2022 Fact-checking Raphael Warnock and Herschel Walker in Georgia's Senate race By Louis Jacobson • November 4, 2022 Experts say Biden’s achievements are similar to recent presidents. But Democrats aren't touting them By Louis Jacobson • October 19, 2022 Why it’s hard to compare electricity use between electric cars and household appliances By Kristin Hugo • August 25, 2022 Kilimanjaro’s ice fields didn’t disappear by 2020. That doesn’t mean climate change isn’t happening By Madison Czopek • February 7, 2022 Tracking Biden's campaign promises, one year in By Louis Jacobson • January 18, 2022 US climate change spending overseas: Does the public support it? By Louis Jacobson • November 5, 2021 Why are oil prices so high? And what can be done about it? By Louis Jacobson • November 4, 2021 Fact-checking Texas Republicans on blackout blame By Brandon Mulder • February 18, 2021