State parks across the Southwest are offering less amenities or closing due to budget cuts. Some states are coping better than others.
Arizona State University researchers say we will not all be hit with the effects of urban heating equally.
California condors may soon fly over Baja, California, as part of the San Diego Zoo Safari Park's conservation efforts.
The Grand Canyon and other national parks can now stop selling disposable water bottles. The director had prevented the ban from taking effect after conversations with Coca Cola.
San Diego Coastkeeper has released a report showing most of San Diego County's water quality is ranked as "fair."
The U.S .Environmental Protection Agency plans to announce strict air pollution standards this Friday.
More than a dozen people were arrested at the Salt River Project’s offices in Tempe, Ariz. The protesters want the utility to close its coal-fired power plant in Northern Arizona.
Many boats have been damaged crossing the shallow stretch of the waterway on the Arizona-California border.
Environmentalists are fired up after reports the decision by the director of the National Park Service to block the plan was influenced by Coca-Cola, a major donor to the Grand Canyon foundation.
The Montezuma Rimrock Water Company wants to turn on a high-production well near the Montezuma Castle National Monument. Critics claim the well does not have the proper permits and should not be turned on.