New Arizona research finds that forest thinning and mulching help soil retain moisture and reduce the effects of prolonged winter drought.

October storms brought drought relief to five Colorado River Basin states, but long-term dryness persists across parts of the Southwest.

Two California groups sue the state over Delta water diversions, alleging violations of water laws and failures to protect fish, farms, and waterways.

Fifteen California libraries will offer water conservation, seed lending, recycling and climate education programs during 2026 and 2027.

New research finds the Upper Colorado River Basin lost 4.6 trillion gallons of groundwater during drought, nearly twice the Lower Basin's losses.

Great Salt Lake has fallen to 30.1% of its natural volume, exposing more than half its lakebed as Utah faces mounting restoration challenges.