Monday’s surprise move by G.M., Toyota and other car makers to back President Trump in his fight with California over pollution rules followed calls from the White House.

Along with Toyota and Fiat Chrysler, the auto giant backed the administration in its clash with California over pollution standards.

California’s eight years of drought officially ended in March, but wildfires are still engulfing parts of the state. Here are three major contributions. 

The Kincade fire is burning more than 10,000 acres in California. Other areas of the country are experiencing drought so understanding fire is becoming ever more important. 

The Justice Department has sued California over a climate change initiative that now extends into Canada, saying the state cannot make international agreements.

The hospital group in California was accused of using its market dominance to demand higher prices for health care.

Staff members in the regional office said they had no advance knowledge of a wide-ranging agency complaint against the state and described the process as highly unusual.

New research shows that hundreds of North American birds are at risk of major habitat disruption from climate change.

The state is the first in the nation to allow pharmacists to dispense PrEP and PEP, drugs that can prevent new H.I.V. infections.

David Bernhardt is backing a plan to raise the height of the Shasta Dam in California even though his department’s experts have warned against the change.