Wildfires are on the rise and expected to increase further due to climate change. But the overall climate effects of clouds caused by wildfires remains hazy. A new study that further muddies the waters.
Salt River Project’s board of directors has approved a plan that would more than double the size of a natural gas burning-plant in Coolidge. But conservationists say the utility will struggle to reach its clean energy goals if the plant is built.
Ten years ago, New York University Professor Andrew Ross had a book published called "Bird on Fire: Lessons from the World’s Least Sustainable City." The title itself was controversial and thought-provoking, and Ross faced criticism. But the ideas and opinions in his book are just as relevant — if not more so — today.
Environmentalists gathered at the state Capitol on Friday morning, urging Congress to pass President Biden’s “Build Back Better” plan as part of his budget proposal. It would allocate $3.5 trillion in spending for climate change initiatives, health care and public schools.
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This week's number: 8%.
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About half a billion people and one-quarter of all marine life depend on coral reefs, which face global destruction due to pollution, overfishing, acidification and climate change. A new global monitoring system and public data source could help confront the catastrophe.
Neighboring Sonora is home to large deposits of lithium, and the state’s incoming governor says that makes it the perfect location to pilot the use of electric vehicles. Governor-elect Alfonso Durazo says he wants to see Sonora lead the way to a transition from gas-powered to electric cars in Mexico.
After the federal government declared the first water shortage on the Colorado River in August, Arizona farmers have started to plan for water cutbacks which begin next year. But one proposed solution requires that everyone cut back, with financial penalties if they don't.
The Bureau of Reclamation recently declared a water shortage on the Colorado River, but that hasn’t stopped states from proposing new water projects. Just about every drop on the Colorado River is accounted for. But climate change has reduced the amount of water in the system.
A joint editorial published across more than 200 prestigious medical and public health journals says the world cannot wait for the present pandemic to resolve before confronting a looming, and far worse, health challenge: irreversible climate change.
Federal regulators on Friday rejected a mining company’s request to reduce the size of a habitat for endangered jaguars in the Santa Rita Mountains near Tucson. Hudbay Minerals petitioned the removal of 50,000 acres of land, which would contain the proposed Rosemont Copper Mine.
A federal judge has thrown out a Trump-era rule that ended federal protections for hundreds of thousands of small streams, wetlands and other waterways and left them vulnerable to pollution from nearby development.
The Bureau of Reclamation will assess a proposal to transfer water from a farm near the Colorado River to Queen Creek. The town has spent years looking for reliable sources of water, and critics worry the plan will open the door for water speculators.
Throughout this monsoon season, Flagstaff and other areas of northern Arizona have seen heavy rain and flooding. Officials, engineers and flood control specialists met last week to discuss ways to reduce the severity of future floods.
Earlier this month, Gov. Doug Ducey appointed Erinanne Saffell, who has a doctorate in geography, as the new State Climatologist to replace the retiring Nancy Selover. Saffell has many ties to Arizona, including being born and raised in Phoenix.