Air Pollution

Commentary

Pro-con: Are bio-digesters key to climate change fight?

The dairy industry is responsible for 75 percent of agriculture’s methane emissions, but it has focused on unproven bio-digester technology. California should look at less costly alternatives.

By Guest Commentary • August 22, 2018

Environment

As California burns, climate goals may go up in smoke—even after the flames are out

Climate-warming compounds are released by charred forests long after wildfires have been put out. That may do more to warm the planet more than the immediate harm from smoky air.

By Julie Cart • August 7, 2018

Newsletters

Air pollution, amputation & ferrets

The Trump administration proposed to revamp—and loosen—fuel mileage standards, challenging California’s authority to regulate air pollution within its borders, and enraging California officials.

By Dan Morain • August 3, 2018

Environment

News Analysis: Here’s what’s important for land, sea and air in California’s fight with Trump

The sparring between the Trump administration and California over environmental rollbacks is getting serious.

By Julie Cart • April 30, 2018