An analysis of oil and gas pipeline safety in the United States reveals a troubling history of spills, contamination, injuries and deaths. This time-lapse video shows pipeline incidents from 1986 to ...

For every county in the United States, the map below shows information on all the animals and plants protected under the U.S. Endangered Species Act as threatened or endangered. To see the number of ...

The Center’s Population and Sustainability program addresses the impacts on wildlife and the environment that are caused by human population pressure and destructive consumption and production. We ...

A 2020 study found that if the climate crisis isn’t addressed, as many as 3 billion people will be living in areas considered too hot for human survival within 50 years, including places like Los ...

The resilient mountain lion goes by many names: puma, cougar, panther, catamount and even “ghost cat.” Over the past century in California, it has survived habitat loss and government-sponsored ...

The Miami tiger beetle — a diminutive, iridescent native of Florida — was first discovered and described in the 1930s. But after its discovery, it wasn't seen again for six decades, when it was found ...

The country has learned a lot since Rachel Carson's 1962 book Silent Spring alerted us to the hazards of poisonous chemicals. But pesticide use still poses major threats to imperiled wildlife and ...

Can you think of a more destructive way to extract resources than blowing up a mountain? How about if the waste from doing it is dumped straight into mountain streams? Mountaintop removal is a radical ...

Our planet now faces a global extinction crisis never witnessed by humankind. Scientists predict that more than 1 million species are on track for extinction in the coming decades. But there’s still ...

Three vital provisions give the Act its teeth. It’s “citizen-suit” provision lets public-interest groups and individuals petition and sue sluggish federal agencies to make sure the Act protects ...

The U.S. transportation sector is responsible for about a third of our country’s climate-damaging emissions. In California transportation is the leading source of greenhouse gas pollution, accounting ...