Hydrologists show most streamflow out of the West's mountains is old snowmelt on a multi-year underground journey. New study finds that spring runoff is on average 5 years old.

This online science course provides an overview of the science behind water and climate in the western United States as well as a survey of the major legal, political, and cultural issues focused on ...

Hirsch et al, Two‐Way Option Contracts That Facilitate Adaptive Water Reallocation in the Western United States, Earth's Future (2024). DOI: 10.1029/2024EF004434 ...

followed by isolated showers and thunderstorms in the western watershed Friday and Friday night. As a result of sustained moderate to strong southeasterly winds, a moderate rip current risk is ...

President Donald Trump called for energy and mineral independence, granting environmental permits in days rather than months.

This week on Local Motion we hear from the Colorado River District's General Manager, Andy Mueller for a Western Slope ...