With millions of people under stay-at-home orders, water is sitting in the pipes of empty office buildings and gyms, getting old and potentially dangerous.
The Trump administration's new rule ends federal protection under the Clean Water Act for many small streams and wetlands. But a scientist argues these are critical parts of river systems.
Earth's biggest rivers are streams of warm water vapor in the atmosphere that can cause huge rain and snowfall over land. Climate change is making them longer, wetter and stronger.
With winter underway, learn more about the science behind ice and snow.
Cloud seeding occurs in more than 50 countries, but we still don’t know whether it works.
The Drought Contingency Plan for the Colorado River is a historic agreement but it has some serious shortcomings.
Ifclimate change continues relatively unabated, consecutive years with snow drought conditions will become much more common, with impacts on cities, agriculture, forests, wildlife and winter sports.
Is your community’s water tainted with lead? The data might not have been reported.