Walls built along the U.S.-Mexico border over the past several decades are a blight on the landscapes and cultures of the borderlands. Hundreds of miles of wall have been built across protected public ...

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 ...

Rat poisons and other rodenticides don’t only poison rodents. They can be lethal to any bird or mammal, but especially smaller ones — like children, pets, and wildlife. If you ever suspect rodenticide ...

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 ...

The industrial age has brought millions of pounds of toxic contaminants into our environment. Pesticides, synthetic chemicals, heavy metals and even chemicals from household products are now pervasive ...

The Center's Urban Wildlands Program focuses on private land development, water-supply projects and highway building in the “wildland-urban interface” — the edges of sprawling urban and suburban areas ...

Don’t turn to toxic, dangerous rodenticides to get rid of rodents. Instead, use exclusion and sanitation tactics to make sure they never enter your home or business in the first place. Sealing entry ...

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 ...

Bluefin tuna are an ocean-going fish that grow up to 10 feet long and can weigh as much as 1,200 pounds. Unlike almost all fish, bluefin tuna are warm-blooded and able to regulate their body ...

Because of its unique hodgepodge of geologic features, Alabama probably has the most diverse aquatic fauna in the country, with more fishes, snails, mussels, crayfishes, and turtles than any other ...

The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems. Biological diversity, often shortened to biodiversity, is ...

Covering more than 25 million acres — about a fourth of California — the geologically diverse California Desert Conservation Area includes sand dunes, canyons, dry lakes, 90 mountain ranges, and 65 ...