From more frequent wildfires to rising sea levels, climate change is disrupting ecosystems and upending once-stable weather ...

Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic.

Since the Cold War, the United States and many of its North Atlantic Treaty Organization allies have regarded the Arctic as a ...

The award-winning photographer, author and conservationist discusses his new book in the series he founded, the “Photo Ark,” a 25-year documentary project focused on saving species and habitats.