wildfires

An analysis suggests Canada is using questionable methods to dramatically underestimate greenhouse gas emissions from the forestry industry, which it says equal those from Alberta's oilsands in some years.

A California ballot measure that would tax the rich to help put more electric cars on the road may seem tailor-made to win support from Democrats in a state known for climate leadership, but Proposition 30 has one notable opponent: Gov. Gavin Newsom. That's put the Democratic governor on the opposite side of his own party and against his traditional environmental allies.

California activists paved the way for defining climate change as an air pollution problem. Now it's federal law.