Environment

In the aftermath of California's recent wildfires, the effect of chemical retardant on carefully tended soil remains unknown.

The Trump administration announced today that it won't support a tunnel project to transport water from the California Delta to thirstier parts of the state, only to pedal back from that statement hours later.

After a particularly wet rainy season fueled growth of lush vegetation, the sweltering summer of 2017 dried those plants to a crackly, combustible crunch. Several locales had racked up record temperatures, including a historic thermometer high of 106 in San Francisco on Sept. 1. Wildfires were an inevitable consequence, but none so fierce as October's infernos that consumed vast swaths of the state's iconic Wine Country.

Addressing sea-level rise will cost a staggering sum of public and private money, and will particularly impact the poor and vulnerable. A look at the challenge California faces, and how the state is responding.

Unlike blue-state California, deeply crimson Louisiana shuns climate talk as it gets on with the task of battling rising seas.

As the oil industry worked to influence a landmark environmental policy in California this year, it had hired Democratic former legislators to lobby on its behalf.

A federal judge in San Francisco has ruled that the Trump administration must immediately begin enforcing rules restricting methane emissions, a legal win for California, which had filed suit in July.

The Trump administration today reinstated federal greenhouse gas rules on cars and trucks, backing down from its suspension of climate standards on the transportation industry.

Delay of a plan for more renewable energy in California could carry a price tag for consumers.

A third of young California children at risk for lead poisoning are not being tested despite state and federal laws that require it, according to a new study—a problem at least partly addressed by legislation now on the governor’s desk.