Natural hazards have the potential to impact a majority of Americans every year. USGS science provides part of the foundation for emergency preparedness whenever and wherever disaster strikes.

In autumn, the leaves on deciduous trees change colors as they lose chlorophyll, the molecule that plants use to synthesize food.

The effort aims to expand Texas A&M's statewide reach of water research and extension efforts.

Researchers gain new insights on river dynamics, which suggest that rivers may begin jumping course much farther in the coming years.

By collecting urban grime in cities, such as Syracuse, New York, scientists are showing how these molecules could affect chemical reactions.

If human societies don’t sharply curb emissions of greenhouse gases, Greenland’s rate of ice loss this century is likely to greatly outpace that of any century over the past 12,000 years, a new study concludes.

An international team of scientists that includes a USDA Forest Service scientist based in New Hampshire used tree rings to document how “Arctic dimming,” the interference with sunlight caused by extreme pollution such as that at an industrial complex in northern Siberia, is killing trees and possibly affecting how trees respond to climate change.

A new project has been launched to remove hormone-changing pollutants from the environment.

Newfoundland and Labrador’s plastic waste washes up as far afield as Scotland, Spain and Portugal.

Exploring underneath glaciers and amidst open-ocean eddies is not your standard water cooler talk.