The National Oceanic and Atmospheric Administration (NOAA) has released a preliminary list of the most extreme weather events in the US of 2012.
A Columbia Engineering School team says it's made a major step in improving forecasts of extreme weather events in the US.
Satellite data is revealing an Amazon rainforest that's decidedly less green than usual, showing the catastrophic effects of last year's record-breaking drought.
Two 'once-in-a-century' droughts have hit the Amazon rainforest in just five years, scientists say, removing the region's ability to act as a carbon sink.
The US may be set for severe and prolonged droughts in the coming decades, a new government study has found.