An invasive algae has wrecked huge sections of reef in Papahānaumokuākea Marine National Monument. Scientists are racing to find out…
Water hyacinth (Eichhornia crassipes). Sisyphus of the Slough Before the turn of the 21st century, the Sacramento-San Joaquin River Delta…
Photo: IID Operations Coordinator Pablo Cortez, left, holds an adult grass carp while Tony Perez, a colleague, collects the fish's…
Map: Tribe will restore areas along the Colorado River to address climate change. The Cocopah Tribe will work on riparian…
While Lake Tahoe’s crystalline azure has lasted for eons, the changes wrought by past land uses in the basin have…