The Salish Sea — the inland coastal waters of Washington and British Columbia — is home to two unique populations of fish-eating orcas, the northern resident and the southern resident orcas.

The Columbia Glacier in southern Alaska has long been an archetype of the world’s most rapidly changing glaciers.

Grey reef sharks are having to abandon the coral reefs they call home in the face of warming oceans, new research finds.

Nearly three quarters of the global population can expect strong and rapid changes in extreme temperatures and rainfall in the next 20 years unless greenhouse gas emissions are cut dramatically, according to a new study.

Conservation efforts directed towards just 0.7% of the world’s land mass could help protect 1/3 of the world’s threatened and unique tetrapod species.

U scientists determine sediments from the dry playa have elevated 'oxidative potential,' indicating greater risk to human health.

A novel pesticide thought to be a potential successor to banned neonicotinoids caused 100% mortality in mason bees in a recent test.

Severe drought in the American Southwest and Mexico and more severe wet years in the Northeast are the modern norm in North America, according to new research – and the analysis suggests these seasonal patterns will be more extreme in the future.

Special features of the Arctic climate, such as the strong reflection of the sun’s rays off the light snow or the low position of the sun, amplify global warming in the Arctic.

Massive 2014 flooding event in southeast Michigan showed why systems thinking beats local thinking in flood protection.