Donald Trump has derided the Delta smelt as a "worthless fish," blaming efforts to protect the species for the devastating Los Angeles wildfires on social media, in a press conference, and even a ...

His order is consistent with pledges made on the campaign trail to end a focus on EVs pushed by Biden and other Democrats.

President Donald Trump signed an executive order promising to eliminate what he incorrectly labels "the electric vehicle mandate" imposed under former President Joe Biden.

President Trump issued an executive order declaring that the U.S. government would only recognize a person’s sex assigned at birth.

President Trump will visit Los Angeles Friday to see the aftermath of the tragic, climate-fueled wildfires that killed at least 28 people and destroyed more than 15,000 structures. Trump’s visit comes ...

Members and supporters of No Tag Lakeside plan to attend the Jan. 28 Board of County Commissioners land-use meeting to protest the project.

The committee that decides the fate of endangered species is rarely summoned. But the president's "energy emergency" could change that.

The process means that the communities get little input, even though the data centers create both air and noise pollution.

The proposed freeway would run from Wickenburg to Nogales and has been subject to lawsuit filed by a conservation group.

Trump is taking aim at water supplies for an endangered fish, but scientists say he’s missing the point. It’s one of ...

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled ...

The San Manuel Band of Mission Indians has used goats to manage brush on its lands that it fears could lead to wildfires ...