Environment

Scientists have pointed out that extreme heat is particularly dangerous for older people. A new study shows that young, healthy people are also dying too often in extreme weather.

State Sen. Steve Padilla wants to create a pollution mitigation fund.

Since winning election, President-elect Donald Trump has been talking about immigration, border security and government efficiency. But in California farm country, his comments about water are also getting attention.

Momentum builds with a fourth lawsuit against cross-border sewage contractor Veolia in the Tijuana River Valley.

California's three largest utilities received approval to collect $27 billion from ratepayers after utility equipment sparked tragic wildfires. The soaring price of electricity has ignited debate about how much California families should bear for the cost of wildfire prevention, whether utilities are balancing risk and affordability and whether the money is being spent wisely.

The negotiations in Busan, South Korea, were supposed to be the fifth and final round to produce the first legally binding treaty on plastics pollution, including in the oceans, by the end of 2024.

A mountain lion that was attacked and wounded in the wild is adapting to its new environment Monday, according to a report from the San Diego Humane Society.

Some San Diego County beach areas have been deemed unhealthy for swimmers and surfers Monday because of high bacteria levels, according to county health officials.

The hearings come after years of lobbying by island nations who fear they could simply disappear under rising sea waters,

New York City is home to more than eight million people but NPR's Brian Mann mapped out an urban hike through solitude and parkland wildness.