conservation

The number of monarch butterflies spending the winter in western states like Arizona and California dropped dramatically even as federal officials move to extend protections for the pollinator.

A federal judge rejected a challenge from some of Arizona's top Republicans to undo the designation of the Baaj Nwaavjo I’tah Kukveni - Ancestral Footprints of the Grand Canyon National Monument.

The American Library Association awarded Flagstaff author Kevin Fedarko with the prestigious Carnegie Medal for Excellence in Nonfiction for “A Walk in the Park: The True Story of a Spectacular Misadventure in the Grand Canyon."

A coalition is working to add federal protections to the Upper Verde River and Sycamore Creek via a Wild and Scenic River designation. It's threatened by groundwater pumping and long-term drought.

Advocates for limits on indiscriminate outdoor lighting that obscures night skies worldwide are recognizing efforts by an oil and natural gas developer to reduce scattered light in New Mexico.

The White House says President Biden will officially announce two new national monuments next week. Wildfires in California forced changes to his plans for Tuesday.

Opponents of a lithium mine under construction in Nevada worry the project has already caused a drop in groundwater levels that could lead to the extinction of a snail species.

State and federal officials say recent surveys show there are double the number of endangered Mount Graham red squirrels than anticipated.

Conservation groups have filed a lawsuit alleging the federal government has failed to protect the Old Spanish National Historic Trail.

Conservation groups worry President-elect Donald Trump could attempt to rollback some national monuments, as he did in his first term.