Craig Miller/KQED
There's a growing scientific consensus that heat waves are becoming longer and hotter, and they're hitting more frequently. State officials are talking about how to respond. A plan from the state Environmental Protection Agency includes recommendations to plant more trees in cities and protect key parts of the power grid from overload. Reporter: Molly Samuel
Alice Daniel/KQED
The way that farmers till the land in the Central Valley hasn't changed much since the 1930s. But resources like fuel and water are now more limited, leading some farmers to operate in new, more sustainable ways. Reporter: Alice Daniel