The Center for Biological Diversity works through science, law and creative media to secure a future for all species, great or small, hovering on the brink of extinction.

The measurement of biodiversity is complex and has a qualitative as well as a quantitative aspect. If a species is genetically unique — if, for instance, it's far out on a remote arm of the …

The Center for Biological Diversity works through science, law and creative media to secure a future for all species, great or small, hovering on the brink of extinction.

Action for endangered species underpins all the Center's programs. Our work has secured protections for more than 720 species and more than half a billion acres of wildlife habitat.

The planet's wondrous web of life — which took 4 billion years to evolve — is vanishing in the blink of an eye. Under relentless pressure from habitat destruction, invasive species and …

BIODIVERSITY. The Earth’s biodiversity — the variation of life at all levels — is the result of 4 billion years of evolution. And now it’s vanishing in the blink of an eye.

At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature — to the existence in our world of a vast diversity of wild animals and plants. …

Please join the Center for Biological Diversity's efforts to protect wildlife and wild places.

ENDANGERED SPECIES • Livestock Production Adversely Modifying Most Critical Habitat for Northern Mexican Garter Snakes on Public Lands in Arizona.Center for Biological Diversity, …

Our information on plant species numbers is far from perfect. The International Union for the Conservation of Nature's Red List estimates that about 54 percent of evaluated plant species …