Researchers and farmers are banding together to study a group of viruses killing off cacao trees in West Africa. ...

Scientists say the shrinking Amazon Rainforest is near a tipping point, the point when it no longer would be able to sustain itself through its hydrological cycle, and more than half of it would become a savannah. ...

A view of what should be miles and miles of Arctic ice. Instead, the ice is broken up with open water. (NOAA) At a Glance Thelowest amount of sea icein the 39 years of satellite observations was recorded in January.The ice cover in the Arctic was 525,000 square miles less than average, which is equivalent to an area the size of Texas and California combined. The amount of ice covering the Arctic is at its lowest level ever recorded for...