Climate Change

An irrigation canal carries Colorado River
States that rely on water from the over-tapped Colorado River want the U.S. Supreme Court to block a lawsuit from the Navajo Nation that could upend how water is shared in the Western U.S.
More Arizona water news
Mar. 19, 2023
Rainy intersection in Phoenix
It’s starting to feel like spring outside around the Valley, but if it seems like it was a little cooler and wetter than normal for longer than normal, you’re not wrong.
Mar. 14, 2023
tucson's skyline from the Tucson Mountain Park
The project is one of a few dozen nationwide funded by the Bipartisan Infrastructure Law and is part of the department's Reconnecting Communities Program.
More news from the Fronteras Desk
Feb. 28, 2023
summer cactus
There’s a lot of conversation happening now about how climate change is affecting — and will continue to affect — humans, and the societies we’ve created. But it’s possible to find some potential clues now by looking at skeletal remains.
Feb. 23, 2023
Earth atmosphere
Climate change is in the news a lot — and the words we use to talk about it are different depending on where you tune in. People on the political left use words of alarm and emergency. Those in the climate denial camp, talk about it like a hoax.
Feb. 15, 2023
solar panels
The Bureau of Land Management recently announced a new solar project near Blythe, California, that will power around 120,000 homes.
Feb. 13, 2023
Overfishing is one of the greatest threats to marine life, and to people who depend on our oceans for their livelihoods. Now, one community in Sonora, Mexico is tackling the problem by establishing fishing refuge areas in the bay where they live and work on the Gulf of California.
Feb. 10, 2023
signs says welcome to mesa
Mesa’s mayor thinks the city’s $63 million investment to bring Arizona State University downtown is paying off. During his State of the City address Tuesday, Mayor John Giles called the school’s Media and Immersive Experience Center, known as MIX, a catalyst for the downtown arts and innovation district.
Feb. 7, 2023
SRP East Line Solar Plant
The company formerly known as Facebook has teamed up with Salt River Project on a new solar facility to power its data center in Mesa.
Feb. 6, 2023
cattle in a field
One of the five Cs of the state’s economy that Arizona school-children learn about is cattle. According to the Arizona Beef Council, there are more than 15,000 farms and ranches in the state, including cattle who are raised in all 15 counties. But, cows have their critics – including those worried about overgrazing, emissions and the health effects of beef consumption.
Feb. 6, 2023
Kamala Harris
Vice President Kamala Harris recently dropped by Tonopah to help break ground for a power transmission line. The project is part of an ongoing effort to bring clean energy to the Southwest.
Jan. 24, 2023
downtown tucson
The city of Tucson is inviting the public to comment on a newly-released draft plan on fighting climate change.
Jan. 24, 2023
Electric vehicle plug-in
One of the biggest hurdles that’s stopping people from buying an electric vehicle is just where you can charge up — and how long it takes to do it. And that’s exactly what a new plan from the Arizona Department of Transportation is attempting to address using a big chunk of federal money.
Jan. 24, 2023
coolidge generating station
A judge has ruled against Salt River Project’s proposed expansion of a gas-fired plant near Coolidge.
Jan. 23, 2023
Vice President Kamala Harris
Vice President Kamala Harris was in Tonopah on Thursday to help break ground for a new transmission line that will help move solar power in the Southwest.
Jan. 19, 2023
Nonstick pan
In a budget proposal released this month, Gov. Katie Hobbs earmarked some state money for cleanup of PFAS — a group of chemicals found in many water sources that are linked to health problems like cancer.
Jan. 19, 2023
Fronteras Desk logo
The Environmental Protection Agency, or EPA, will award $100 million worth of grant money to help communities impacted by climate change and other environmental inequities.
Jan. 10, 2023
President Joe Biden
President Joe Biden will visit Mexico next week for the first time as president to attend the North American Leaders’ Summit.
Jan. 6, 2023
Plastic bottles
A program to collect plastic waste that began last August in Tucson has completed its first phase, and city officials say the results exceeded the program’s initial goals.
Jan. 4, 2023
Lake Powell
For years, environmental groups have said that the construction of Glen Canyon Dam put one of the Southwest’s most scenic places under water. Now, some say that Lake Powell’s falling levels present an opportunity to restore that scenery.
Jan. 3, 2023


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