Arizona Sustainability News


What does it take to build a massive new reservoir?
The Chimney Hollow reservoir will include the tallest dam built in the U.S. in 25 years, but critics ask if there will be enough water to keep it filled.
March 22, 2022
Tribes receive $9 million in funding for energy products
The United States awarded $9 million in energy funding to 13 tribes across the country, including here in Arizona, on Monday.
March 21, 2022
Phoenix Zoo installs solar-powered charging stations
One of the big challenges to a carbon-free grid will be to replace gas vehicles with electric. The Phoenix Zoo has built some necessary infrastructure to help with that transition. A recent study at Arizona State University found that building a clean energy grid will require a lot of charging stations.
March 19, 2022
Lake Powell water level falls to new depths
An important Colorado River reservoir has fallen below a level that federal water managers were trying to maintain for hydropower generation.
March 16, 2022
Bureau of Land Management to take public comments on solar project
The Bureau of Land Management is seeking public input on a proposed 500-kilovolt transmission line that would cross the desert about 60 miles west of Phoenix.
March 15, 2022
Explore North Americas gorgeous — and edible — plants in new book
North America offers plenty of plants to safely eat. And in Jimmy Fike's new book, "Edible Plants: A Photographic Survey of the Wild Edible Botanicals of North America," he details over 100 of them.
March 9, 2022
Navajo energy company invests in carbon capture technology
A company owned by the Navajo Nation is investing in a company that will take over the San-Juan Generating Station to put in technology to capture carbon dioxide emissions.
March 7, 2022
Phoenix extends e-scooter program, legalizes e-bikes on city streets
Phoenix leaders recently voted to allow electric bikes on all city streets and agreed to extend a downtown pilot program for electric scooters. Razor and Spin will continue to rent e-scooters downtown for another year.
March 7, 2022
Pinal County farmers are first to feel pain of Colorado River cuts
Persistent drought and rising temperatures have meant less water in the Colorado River system, which is relied on by 40 million Americans. But to this point, farmers in Pinal County have felt the effects much more acutely than others.
More about water on the Arizona podcast series InHospitable
March 7, 2022
Study reveals how El Nino responds to external forcing factors
Unusual weather events from the El Nino/Southern Oscillation could intensify under climate change. Predicting how that might play out requires a fuller understanding of how external forces affect the system. A new study offers some clues.
March 5, 2022
Extreme heat increases mental health visits to ERs
The effects of extreme heat on physical illness and death are well-known. But most studies of its mental health effects are far more limited and regional. New research takes a wider view.
Feb. 28, 2022
AZ politicians urge U.S. Senate to pass solar energy investments
Legislative advocates for solar power in Arizona are looking to the federal government for funding, in the form of a $500 million solar energy investment bill passed by the U.S. House of Representatives last year.
Feb. 26, 2022
In remote Sonoran river valley, a family seeks self-sufficiency
Many have felt the urge to leave the trappings of modernity behind, to make a go of it off the grid, far from the rush of urban living, and in greater harmony with nature. Far fewer actually try, and fewer still find some degree of success. It hasn’t always been easy, but one family has found some measure of success in the remote, beautiful Rio Sonora Valley in northern Mexico.
Feb. 24, 2022
UN report: Intense wildfires will rise 50% by centurys end
The global tally of extreme wildfires will increase by 50% by century’s end, and governments are not ready. So says the latest U.N. report released prior to the Environment Assembly’s 5th session next week.
Feb. 23, 2022
NatGeo ecologist explores how humans, bears can coexist
Hundreds of thousands of bears exist in North America, and that can lead to uncomfortable, harrowing, exciting encounters between them and humans. And the effects of drought and climate change, along with more people moving into more rural wilderness areas, can lead to an increase in the number of those encounters.
Feb. 23, 2022
What $11M for electric vehicle chargers could do for AZ
Arizona will be getting a little more than $11 million this year to pay for new electric vehicle charging stations.
Feb. 23, 2022
Survey says conservation efforts garner high support
A new survey conducted by Colorado College has found strong support in the Rocky Mountain region for conservation efforts. Three-fourths of voters would support conserving 30% of America’s lands within the next decade.
Feb. 22, 2022
Study finds alarming lead poisoning rates in eagles
Predatory birds experience lead poisoning globally, but data only reflect regional exposures and population impacts. A new 10-year study of bald and golden eagles expands that scale — and reveals alarming patterns.
Feb. 17, 2022
Land donated for Sonoran solar plant tied to recent controversy
This week, the governor of neighboring Sonora, Mexico, said a major solar plant will be built on land donated by a wealthy businessman who has been linked to a recent controversy involving the president’s son.
Feb. 16, 2022
U.S. files USMCA complaint citing Mexicos lack of protections for vaquita marina porpoise
The United States filed the first environmental complaint under the U.S.-Mexico-Canada Agreement, calling for a consultation with Mexico over protections for a critically endangered porpoise in the Upper Gulf of California.
Feb. 14, 2022