Fires here can affect meltwater timing and water quality, worsen erosion that triggers mudslides, and much more, as two scientists explain.

Just 2.5% of the country has been continuously wooded for centuries.

Reservoirs and streams are in good shape in California and the Great Basin, but groundwater and ecosystems are another story. And then there’s the Colorado River Basin.

Many beloved wildflowers bloom in early spring, while trees are still bare and the flowers have access to sunlight. Climate change is throwing trees and wildflowers out of sync.

Protecting old and mature trees is the simplest and least expensive way to pull carbon out of the atmosphere – but proposed logging projects threaten mature stands across the US.

Over 50 fire ecologists across the Western U.S. took an unprecedented look at how forests in thousands of locations are recovering from fire in a changing climate. The results were alarming.

Over 50 fire ecologists across the Western U.S. took an unprecedented look at how forests in thousands of locations are recovering from fire in a changing climate. The results were alarming.

Over 50 fire ecologists across the Western U.S. took an unprecedented look at how forests in thousands of locations are recovering from fire in a changing climate. The results were alarming.

New research shows boreal forests comprised 23% of global wildfire emissions in 2021, up from 10% in a typical year.