Six of seven Colorado River basin states sign agreement
Recent California flooding and severe weather led to about $7 billion
Emirates heavy rains, might be due to cloud seeding
Extreme heat events are increasingly far outside the historical record
The state of our oceans can measure the world's health
Rising sea levels could cover twice as much land
Deforestation pushes Amazon rainforest toward a tipping point
Abu Dhabi-based company are producing fresh water from seawater
Cost of electricity from new solar power plants fell 89%
