A California appeals court will hear arguments Thursday on a controversial sprawl development proposed on the outskirts of Los Angeles County.

Republican members of Congress launched efforts to illegally undo California’s clean car standards today, undermining the Clean Air Act and the state’s authority to adopt strong emissions rules.

PHOENIX— Federal land managers have allowed years of extensive damage from livestock grazing to streamside habitats vital for ...

More than 60 U.S. research scientists today urged North Carolina Gov. Josh Stein to use his executive authority to stop Duke Energy Corp.’s fossil-fuel buildout and suppression of renewable energy ...

Today’s lawsuit says BOEM’s failure to require Sable to update the plans for the Santa Ynez Unit violates the Outer ...

A federal judge has ruled that the Department of the Interior can’t pause a lawsuit over several offshore oil and gas lease ...

WASHINGTON— The D.C. District Court on Thursday found unlawful a 73-million acre offshore oil and gas lease sale in the Gulf ...

Anyone in the Tucson area interested in distributing free Endangered Species Condoms should fill out the request form.

WASHINGTON— In a review published today in the peer-reviewed journal Oxford Open Climate Change, top scientists issued an urgent warning that fossil fuels and the fossil fuel industry are driving ...

The Center for Biological Diversity sued Talen Energy Corporation and Brunner Island, LLC today for failing to control toxic coal ash pollution risks from a storage impoundment at their mixed coal- ...

A coalition of conservation groups today sued the Trump administration over the U.S. Forest Service’s Nantahala-Pisgah forest ...

Gentle and playful marine mammals, Florida manatees have come to represent the amazing biodiversity of Florida. With their large size, slow-moving nature, and fondness of seagrass, it's easy to see ...