Torrential rains that have pelted Taiwan since May 11 were expected to ease up this week as the effects of a weather front weaken, according to the Central Weather Bureau.

Worldwide levels of the greenhouse gas that plays the biggest role in global warming have reached their highest in almost 2 million years — an amount never before encountered by humans, U.S. scientists said Friday.

Fish piracy — seafood caught illegally, not reported to authorities or outside environmental and catch regulations — represents as much as US$10 billion to US$23 billion in global losses each year, a nonprofit conservation group estimated Wednesday.

Japan, China and South Korea agreed Monday to cooperate in the fight against cross-border air pollution, despite strained relations between the neighbors because of territorial disputes.

Millions of birds that stop at coastal wetlands during annual migrations could die as rising sea levels and land reclamation wipe out their feeding grounds, researchers warned Monday.

The Arctic's sea ice melted at a record pace in 2012, the ninth-hottest year on record, compounding concerns about climate change underscored by extreme weather such as Hurricane Sandy, the U.N. weather agency said Thursday.

Conservationists Sunday accused Australia of failing to protect the Great Barrier Reef from massive industrial development as they launched a multimillion-dollar campaign to drum up awareness.

Several dozen Humboldt penguins sun themselves along the coast of an islet in central Chile where the majestic birds coming here to nest once numbered in the thousands.

A century after the first climber reached the summit of North America's tallest peak, a growing movement of Alaskans is seeking to have it renamed Denali, a moniker meaning “the High One” that is traditionally used by Native Alaskans.

Mozambique's elephant population risks being obliterated within a decade unless tight anti-poaching measures are introduced, conservationists have warned.