Climate change is the single greatest threat we've ever faced — not only to human society but to the Earth's web of life. The Center's Climate Law Institute was founded to unite our programs in ...

Unlike most marine mammals, sea otters are primarily insulated by fur, not blubber. In fact they have the densest fur in the animal kingdom. Sadly that thick, resplendent coat has also given otters ...

Stretching from the High Sierra to the Mojave Desert, California's rivers are of critical biological importance, forging major wildlife corridors and linking several ecological regions. These ...

The Center has long pursued legal protections for Bering Sea wildlife and their habitat, including the North Pacific right whale, Kittlitz's murrelet, northern sea otter, and yellow-billed loon. But ...

More than half of the world's 19 penguin species are in danger of extinction — and eight of them live in New Zealand. Determined to save penguins from global warming and other threats, the Center ...

• Secured a seafood import ban to pressure Mexico to save critically endangered vaquita porpoises, with only around 10 individuals remaining. • Sought protection for leopards, giraffes, pangolins, ...

In the arid Southwest, free-flowing rivers are especially essential to the preservation of native fish and other endangered species that depend on water to survive. Three-quarters of Arizona's 36 ...

The public lands surrounding Grand Canyon National Park contain high concentrations of uranium ore. Mining bores deep into vertical rock formations called “breccia pipes,” making uranium soluble to ...

The Sonoyta mud turtle has evolved as an aquatic species in one of the driest parts of the Sonoran Desert. With webbed feet and an innate ability to swim, this turtle depends heavily on what little ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years. Finally, in 1999, a cheer went up ...

DESCRIPTION: Arctic foxes are well adapted to the cold: They are small and stout compared to other foxes; their short snouts, stubby legs, and little, curled ears help to minimize heat loss. Thick fur ...

DESCRIPTION: Savannah elephants are the larger of the two African elephant species. They also have thicker, more curved tusks, more triangulated ears, and differently shaped skulls. Both elephant ...