Climate

In a decision that could complicate Gov. Gavin Newsom’s push to build a giant water tunnel and remake California’s water system, a state appeals court has rejected the state’s plan …

Recently, while sailing with friends on San Francisco Bay, I enjoyed the sight of harbor porpoises, cormorants, pelicans, seals and sea lions — and then the spouting plume and glistening …

President Trump on Wednesday withdrew the United States from 66 international organizations and treaties, including the United Nations Framework Convention on Climate Change and the Intergovernmental Panel on Climate Change. …

One year after two of the most destructive wildfires in California’s history erupted just hours apart, survivors commemorated the day in Altadena and Pacific Palisades with a mixture of anger …

The Trump administration announced a major overhaul of American nutrition guidelines Wednesday, replacing the old, carbohydrate-heavy food pyramid with one that prioritizes protein, healthy fats and whole grains. “Our government …

Every animal with a brain needs sleep — and even a few without a brain do, too. Humans sleep, birds sleep, whales sleep and even jellyfish sleep. Sleep is universal …

A 42-year-old snowmobiler was buried in an avalanche just north of Lake Tahoe on Monday and died, despite having all of the latest safety gear and being with four other …

A group representing some of the world’s largest soybean traders is exiting a landmark deal created in Brazil to protect the Amazon rainforest against deforestation. Many of the trees cut …

The world is now moving into the latter half of a critical decade to fight climate change. Scientists have warned that nations need to cut carbon emissions nearly 50% by …

WASHINGTON — The Environmental Protection Agency on Monday said it would propose a drinking water limit for perchlorate, a harmful chemical in rockets and other explosives, but also said that doing so …