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 ...

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 ...

Center for Biological Diversity: Wild at Heart - A Center for Biological Diversity Report on Roadless Area Conservation (click here for print version) Heritage Forests Campaign: The Public vs.

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 ...