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 ...

1. What is this proposal to reintroduce jaguars to the United States? In December 2022 the Center for Biological Diversity petitioned the U.S. Fish and Wildlife Service to reintroduce endangered ...

Known for their 6-foot-long necks, distinctive patterning and long eyelashes, giraffes have always captured the human imagination. These amazing African animals have the highest blood pressure among ...

The Clean Air Act has protected the air we breathe for four decades. By curbing air pollution it has saved many thousands of human lives and improved public health, all while saving money and ...

The Center is taking a leadership role in applying law to the greatest environmental crisis of our time — an integrated approach to solving the climate crisis through global warming law. For years, we ...

Plastic accumulating in our oceans and on our beaches has become a global crisis. Billions of pounds of plastic can be found in swirling convergences that make up about 40 percent of the world's ocean ...

The Klamath-Siskiyou region is world-renowned for its rich biodiversity; some of the plants and animals that live only here — such as the Siskiyou Mountains salamander and the closely related Scott ...

Each colored area on this map represents a different country's mining claim in the Clario-Clipperton zone. Map courtesy International Seabed Authority.

The narrow-headed garter snake is a nonvenomous snake found in and near the cool, clear headwater streams of the U.S. Southwest. With its stripeless, grayish-colored body, it has been called “drab” in ...

DESCRIPTION: The eastern diamondback is the largest rattlesnake in the world. Adults are typically four to five feet long and weigh four to five pounds. A big snake may reach six feet in length and ...

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 ...

DESCRIPTION: Smalltooth sawfish have a distinct, saw-like snout called a rostrum, which is edged with pairs of teeth and is used to detect movement and even heartbeats of hidden prey, as well as for ...