California Could Lose Its Fuel Efficiency Waiver. What Would That Mean for the Country?
Some state legislators seem to agree that California's standards are what's in the United States' best interest.
Clean Air Act
The Trump Administration Releases Its Plan to Roll Back Fuel Efficiency Standards
The plan would end efforts to make cars and trucks average more than 50 miles per gallon by 2025.
Fifteen States Are Suing the EPA for Violating the Clean Air Act
The coalition of attorneys general argue the Trump administration has failed to fulfill its legal obligation to control methane emissions.
The EPA Plans to Weaken Fuel Emissions Standards. California Plans on Fighting Back.
The effect of lax federal fuel standards on the climate fight depends largely on the fate of the California waiver.
GOP: Generating Outsize Pollution?
New research finds air pollution levels are higher in states with Republican governors.
Lawmakers: You Don't Have to Choose Between Cleaning the Air and Stabilizing the Climate
A new study tells us how we can have both.
Air Pollution Is (Still) Killing Us
Researchers argue that reducing fine particulate matter from forest fires, cars, and coal-fueled power plants is worth it, even if the levels are already low.
Smoke From Bigger, Hotter Wildfires Can Inflame Health Problems for Thousands of Miles
Wildfires may be harming the health of people who live hundreds or thousands of miles from the flames.
Why Does the Coal Industry Treat Old, Dirty Power Plants Like National Treasures?
Dear coal industry, stop reminiscing over outdated power plants. They’re holding you—and us—back.
Wyoming Has Effectively Made Citizen Science a Crime
A sweeping new law could make data like photographs and soil samples inadmissible in court.