Greenhouse Gas Emissions

Climate Change

Checking the math on cap and trade, some experts say it’s not adding up

Planet-warming emissions could soar 30 percent too high in a little more than a decade, state analysts say.

By Julie Cart • May 22, 2018

Politics

Auto mileage and emissions: Will Washington and California be negotiating?

News reports say federal officials are to negotiate auto emission and fuel-efficiency standards with California. But the state's air regulators haven't heard from Washington yet.

By Julie Cart • May 15, 2018

Environment

California fights wildfires aggressively—but prevention takes a back seat

The state firefighting agency, Cal Fire, spends the bulk of its budget battling wildfires. A new report says it should do more to prevent them.

By Julie Cart • March 28, 2018

Environment

In California’s Sierra Nevada, putting the trees to work

"What happens in the Sierra Nevada doesn't stay in the Sierra Nevada."

By Julie Cart • January 23, 2018

Environment

California’s climate fight gets harder soon, and the big culprit is cars

Normally upbeat officials are guarded about the prospects for success.

By Julie Cart • January 10, 2018

Economy

Tesla troubles: Can California impose its blue values on the green economy?

Would California withhold clean car rebates from Tesla customers if the electric car maker doesn't meet the state's evolving labor standards?

By Judy Lin • December 20, 2017

Climate Change

In California’s wildfires, a looming threat to climate goals

Mother Nature doesn't follow California's emissions rules.

By Julie Cart • December 14, 2017

Climate Change

California’s emissions dip—but climate policies get less credit than the weather

Last year’s drop in California emissions came not through drastic pollution reductions from oil refineries nor the state’s lauded cap-and-trade program. It was the rain.

By Julie Cart • November 29, 2017

Climate Change

Once again, California sues feds over failure to enforce Clean Air Act

In what is becoming a familiar pattern, the state of California has notified the Trump Administration of its intent to sue the Environmental Protection Agency for failing to enforce an Obama-era law calling for reduction in methane gas emissions. Methane’s potent heat-trapping capacity makes it many times more damaging to the atmosphere than carbon dioxide.

By Julie Cart • June 29, 2017