Federal Judge Orders Arizona to Clean Up Grand Canyon Air Pollution

Environmentalists are celebrating an order from a federal court that the state of Arizona must comply with the Environmental Protection Agency’s pollution reduction plan for coal-fired power plants in the state. At the center of the case is the cloud of haze that often hangs over the Grand Canyon and…

New Arizona Corporation Commissioner “Nervous” About Conflict of Interest

Andy Tobin says he’s “nervous” and “concerned” about a conflict of interest that will prevent him from voting on many major decisions as the newest Arizona Corporation Commission member. Tobin’s a Republican ex-lawmaker who served as Speaker of the House and, for a short time, director of the now-vanished state…

Radioactive Dust Surges Near Mine Close to Grand Canyon

With mere days left for the public to comment on whether Arizona should renew air-quality permits for three uranium mines near the Grand Canyon, multiple tests found that the amount of uranium dust in soil near one of the mines is four times higher than background levels. Energy Fuels Incorporated,…

Climate Change to Transform Arizona Into Coastal State

Scientists have warned for years that the continued burning of fossil fuels may send Earth’s ice caps into a near-total meltdown someday, submerging many of the world’s greatest cities. A bombshell new study in the journal Science Advances predicted that if people keep adding carbon to the atmosphere at the…

Grand Canyon Monument to Bring In $51 Million Annually

A new independent study from the economic consulting firm, BBC Research and Consulting, finds that if Arizona Congressman Raúl Grijalva’s Greater Grand Canyon Heritage National Monument bill passes, it will bring in $51 million annually to the economy of Northern Arizona. The figure comes from the combined economic value of…

Arizona Sues Federal Government Over New Air Pollution Laws

Arizona is now one of five states suing the Environmental Protection Agency over an updated provision within the Clean Air Act. While Arizona Attorney General Mark Brnovich calls the change “unreasonable” and “nearly impossible for Arizona to attain,” environmental groups are applauding the effort, and say the new rule will…

FEMA Won’t Help The Navajo Nation With Gold King Mine Spill Cleanup

The Federal Emergency Management Agency has rejected a plea from the Navajo Nation for assistance in dealing with the fallout of August 5 Gold King Mine spill that sent more than three million gallons of toxic wastewater downstream into critical Navajo waterways. In a letter containing almost no details or…

Snow in California’s Sierra Nevada Mountains Worst in 500 Years

A new tree-ring study from the University of Arizona shows that snow levels in California’s Sierra Nevada mountains, the central-California mountain range that supplies much of that state’s fresh water, haven’t been this low for 500 years. The study’s lead author, Valerie Trouet, tells Californians to brace for more record…

FEMA May Deploy Response Team to Navajo Nation Following Mine Spill

One day after Navajo Nation President Russell Begaye formally requested that the Federal Emergency Management Agency help his government deal with the fallout of last month’s Gold King Mine spill, the FEMA team from Region IX is set to meet and discuss a possible response today. Begaye’s letter specifically requested a…

The Grand Canyon Has an Alarming Amount of Mercury and Selenium

Amid both the national conversation about water pollution following the Animas River spill and a controversial debate over whether to tighten laws within the Clean Water Act, a recent U.S. Geological Survey study found that human activity is causing an alarmingly high concentration of toxins in one of our most important…