River rafting companies in Colorado are having a tough time this season because rivers are running low.
There’s a new type of mosquito roaming the southern United States. You might have heard of it — it’s the Aedes mosquito — and it first showed up in 2010.
SunZia, a $2 billion project to carry wind-generated electricity from New Mexico to Arizona, faces opposition from community groups about environmental concerns.
TEMPE - Arizona designer, entrepreneur and professor Galina Mihaleva is merging biology, technology and fashion in her most innovative and sustainable idea yet - kombucha couture, fashion designed from a sustainable textile.
Experts warn of threats to the Santa Cruz River a vital sewage pipeline bursts as it did last year, spewing millions of gallons of waste into a wash that feeds the river.
WASHINGTON - When the Kayenta Solar Project went online last year, the 27.3-megawatt plant became the largest tribally owned renewable power plant in the country, generating enough power for 18,000 homes on Navajo lands. But many thought the day might never come.
Thousands of tons of concrete changed the Colorado River forever when the Glen Canyon dam was built. We look at the history and the role for the next generation
WASHINGTON - A proposal for a massive open-pit copper mine in the Santa Rita Mountains will be back in court this month, the latest twist in an 11-year battle over the Rosemont Mine that pits supporters who cite its economic benefits against opponents who it's "the absolute worst place" for a mine.
Native American communities are trying to grow their agriculture presence even larger to preserve their culture and traditions.
WASHINGTON - Little has changed since last summer, when the U.S. pulled out of the Paris Accords on climate change and five Arizona cities joined hundreds around the country that vowed to live up to the Paris standards - but the Arizona cities appear to be sticking to their guns.
Game & Fish Department employees maintain thousands of water catchments across the state. It’s increasingly important as the decades-long drought grinds on.
For Arizona's Out of Africa, investors would want assurances the site had a defined water source and buy-in from the community.