Nearly 900 dolphins that washed up along Peru's northern coast since the start of the year died of natural causes, a top official said Tuesday, citing a government report that failed to convince environmental activists here.
Researchers in Argentina have isolated a drought-resistant sunflower gene and spliced it into soy, bolstering hopes for improved yields as the South American agricultural powerhouse grapples with global warming.
Offshore drilling safety and oversight is still lacking two years after the massive BP oil spill sullied the US Gulf Coast, two reports released Tuesday have found.
Australia's Sydney Harbour Bridge and Opera House were plunged into darkness on Saturday for the annual Earth Hour campaign, leading a global effort to raise awareness about climate change.
Thousands of small "pyramids" are being planted off the Philippines' famous Boracay resort island in an effort to bring its nearly destroyed coral reefs back to life, an environment group said Thursday.
The Pantanal, a stunning biodiversity sanctuary in central-western Brazil, is threatened by intensive farming and deforestation, a leading environmental group warned as the world marked World Wetlands Day on Thursday.
The need to conserve water played a vital role in driving plants to evolve a specialised form of photosynthesis, scientists have shown.
Three activists who boarded a Japanese whaling ship on the high seas were Friday successfully transferred to an Australian customs vessel after Tokyo agreed to release them without charge.
The US administration scheduled an announcement Monday widely expected to implement a long-term ban on mining around the Grand Canyon, a move praised by environmental activists.
An environmental group said Tuesday that an oil slick had approached Nigeria's coastline after a major Shell spill last week, but the company insisted that its spill had been largely dispersed.