Arizona's senators voted with Republicans to confirm Lee Zeldin as the new head of the Environmental Protection Agency.

Central Arizona is preparing for more intense droughts and floods through major water projects with federal support.

The recent federal funding freeze spurred immediate finger-pointing inside the Trump administration, with anonymous sources ...

C.E.O.s, policymakers and billionaires at the World Economic Forum’s conference have long pledged to fight climate change. Has it done any good? President Trump’s wave of executive orders ...

How will California be impacted by climate change? California is the most populous state in the United States and a global economic powerhouse. The state, however, has one of the world’s most varied ...

We’re facing the biggest environmental challenge our species has ever seen. No matter what we’re passionate about, something we care about will be affected by climate change. Global warming is likely ...

Chris Wright, President Donald Trump's pick to head the U.S. Energy Department, is scheduled to speak to a conservative think tank in London next month, the organization said on Thursday. Trump ...

Elon Musk's moves and confirmations of Trump's Cabinet picks fuel a pushback from the left against Arizona's Democratic ...

Climate change could be exacerbating species turnover ... A female northern spotted owl catches a mouse on a stick held by Mark Higley, wildlife biologist for the Hoopa Valley Tribe on the Hoopa ...

Senators Mark Kelly and Eric Schmitt offered differing takes on President Trump’s DEI-related commentary following the American Eagle plane crash in Washington, D.C. Kelly, an Arizona Democrat ...

Sen. Mark Kelly (D-AZ) pushed back against President Donald Trump’s argument that DEI policies played a role in the recent plane crash near Washington, D.C., stating that it is “too early ...

WASHINGTON – Arizona’s senators joined other Democrats in a rare overnight marathon on the Senate floor, protesting President Donald Trump’s pick for budget director – a key architect of the ...