State water officials warned of "extreme" climate stress, with the new plan aimed at improving the state's water supply.

Some residents protest cutting trees, while engineers and developers say the projects are necessary for safety, housing and ...

States are preparing for, while trying to avoid, cutbacks to the water they get from the Colorado River. Here are some key things to know about this moment.

Scientists are using studies and computer models to draw connections between recent extreme weather and climate change. The research organization ClimaMeter said that the snowstorm that hit over the ...