CO2: 431.12 ppmThe White House has told Western states it's working on a 10-year plan for the overtapped Colorado River that will allow for reassessing cutbacks every two years.
A super-strength El Niño appears to be taking shape in the Pacific Ocean, heightening concerns that Southern California could be in for an extreme rainy season.
The Colorado River is severely overtapped and its reservoirs are declining to critically low levels. Experts analyze what it would take to head off disaster.
As more rain is concentrated in heavier storms, many parts of California and the western U.S. are drying, new research shows.
Low river levels after dry April means river flows and groundwater levels have fallen ahead of the summer
Researchers found that 7% to 16% of global plant species studied are expected to lose more than 90% of their range by 2100 under current climate change projections.
Thames at Ham designated as one of 13 new swimming areas across England to be monitored for water quality