Plaintiffs pledged to appeal the New Mexico Court of Appeals’ dismissal today of a landmark lawsuit over the state’s failure to uphold its constitutional duty to protect public health and the ...

The California Supreme Court will hear oral arguments Wednesday in a lawsuit challenging the California Public Utility Commission’s decision to significantly slash the credit new solar users get for ...

ANCHORAGE, Alaska — Several groups and an Alaska resident filed suit today to protect endangered Cook Inlet beluga whales and ...

The California Department of Fish and Wildlife reported Tuesday that three new wolf packs have been confirmed in the state.

The Supreme Court today severely limited the scope of the nation’s landmark environmental law in a case that could give new life to a Utah oil train project.

The Crystal River National Wildlife Refuge was established in 1983 to protect the Florida manatee, a subspecies of the West ...

The Environmental Protection Agency has rejected Arizona’s approval of an air pollution permit for a new mine in the Patagonia Mountains south of Tucson.

Conservation groups intervened today in a lawsuit brought by the timber industry and counties seeking to strip northern ...

HONOLULU— Kāpaʻa, the Conservation Council for Hawai‘i and the Center for Biological Diversity, represented by Earthjustice, ...

The Center for Biological Diversity petitioned the U.S. Fish and Wildlife Service today to protect Bendire’s thrasher under the Endangered Species Act.

WASHINGTON— In response to three lawsuits brought by the Center for Biological Diversity, the U.S. Fish and Wildlife Service agreed today to dates for decisions on whether 18 plants and animals from ...

Three vital provisions give the Act its teeth. It’s “citizen-suit” provision lets public-interest groups and individuals petition and sue sluggish federal agencies to make sure the Act protects ...