Ken Sleight sat on the edge of a raft with Edward Abbey, dreaming up ways to eliminate Glen Canyon Dam. He later became immortalized in Abbey's 1975 book "The Monkey Wrench Gang," serving as inspirati...

Amid calls for slowing down AI development, new funding from Bill Gates' philanthropic organization will support education, healthcare, agriculture and language gaps.

Tree ring scientist Ceci Martinez says cottonwoods killed by border wall crews are at most 146 years old, not 200. They are still ecologically vital.

A flash flood killed two and hurt infrastructure. The Republic's Joan Meiners hiked into the Canyon and found flooding made worse by climate change.

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A flash flood killed two and hurt infrastructure. The Republic's Joan Meiners hiked into the Canyon and found flooding made worse by climate change.

A flash flood killed two and hurt infrastructure. The Republic's Joan Meiners hiked into the Canyon and found flooding made worse by climate change.

The EPA is proposing a change to the definition of “discharge of a pollutant” that would exempt moving boats and ships from pollution regulations.

74 likes, 3 comments - azcentral on September 1, 2026: "A severe flash flood on August 29, 2026, on the North Rim of the Grand Canyon killed two hikers and caused damage to the North Kaibab Trail and ...

The Justice Department is seeking to compel testimony from reporters who wrote about the new Air Force One. The Times called the move a “brazen act.”

Since 2011, the statewide standards have saved ratepayers an estimated $1.7 billion on electricity costs, while preventing pollution and grid strain.

Minister of the Interior issues message to department prefects as more high temperatures are forecast in France this July

The town has a history of igniting spot fires with its "famous" show. Neither neighborly fears nor the ongoing, nearby Pocket Fire have deterred them.

The Dragon Bravo Fire burned across 150,000 acres and destroyed the historic lodge at the North Rim, but work to repair it started almost immediately.