Closing Mauna Loa and three other U.S. sites that track greenhouse gases would disrupt a decades-long record of the planet’s ...

Children, the elderly and anyone with heart or lung conditions should reduce or avoid exertion and heavy work outdoors ...

Gov. Mike Braun wants to know if Indiana communities have the sirens and other safety equipment needed to warn residents about dangerous weather and other hazards.

CHICAGO—Cheryl Johnson was watching the news during the worst heat wave in her city’s history when she learned that a man she’d known since she was a child had been found dead on the steps of a church ...

If you're crafting a "Colorado National Parks" bucket list, there's another one to add. Great Sand Dunes National Park and ...

Norway will enact new zero-emissions requirements for passenger ships sailing in parts of the Scandinavian country starting in 2026.

A growing body of research shows the cascading health impacts of wildfire smoke, from cognitive decline to heart issues.

A federal court on Tuesday rejected environmental groups’ effort to overturn thousands of oil and gas drilling permits in ...

Democratic leaders in both houses of Congress on Thursday introduced legislation to help combat the ongoing Tijuana River ...

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For the past few months, the buzz in the small coastal community of Kitimat, B.C., has been all about the flares.

With 48 teams, 104 matches and 16 venues spread across three countries, the next edition of the footballing spectacle ...