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USGS science for a changing world logo
March 25, 2009

The rain last week did little to alleviate the dry conditions affecting parts of Maryland, Delaware, Virginia, and the District of Columbia. Hydrologic conditions in the Mid-Atlantic region remain abnormally dry, and streamflows continue to decline, according to scientists at the U.S. Geological Survey (USGS) (see national map figure below).

USGS
December 18, 2008

U.S. Geological Survey Deputy Director Robert Doyle has been selected as a Distinguished recipient of the Presidential Rank Award, a prestigious award that commends outstanding leadership and long-term accomplishments.

USGS
September 15, 2008

Invasive cheatgrass is altering historical fire regimes throughout the western United States, exposing native ecosystems not adapted to fire to more frequent and intense fire events. Invasive aquatic species including invertebrates, fish, and the fish disease VHS continue to colonize the Great Lakes at an alarming rate. 

USGS
May 29, 2008

Scientific research indicates that warmer temperatures may create substantial water supply shortages in the Colorado River. This would greatly impact the more than 25 million people who rely on this source for water and power.

USGS
April 22, 2008

The U.S. Geological Survey recently collected new data to help identify fault lines and the potential location of undiscovered water, oil and gas, and non-fuel mineral resources in Afghanistan.

USGS
April 18, 2008

U.S. coastal communities, environments, and economies are especially vulnerable to sea-level rise and other climate change impacts. At the same time, they face continuing challenges from population growth, coastal erosion and storms, and habitat loss.

USGS
March 19, 2008

U.S. coastal communities, environments, and economies are especially vulnerable to sea-level rise and other climate change impacts. At the same time, they face continuing challenges from population growth, coastal erosion and storms, and habitat loss.

USGS
February 11, 2008

The Chesapeake Bay is affected by multiple factors, ranging from population growth to climate variability, which will challenge the recovery of this important ecosystem.

USGS
February 7, 2008

For several years, scientists have been working to determine why so many male smallmouth bass in the Potomac River basin have immature female egg cells in their testes - a form of intersex. They are closer to finding an answer.

USGS
January 24, 2008

The U.S. Geological Survey (USGS) will host Congressional briefings on how science can be used to prepare for and react to hurricanes and will issue a new report, "Science and the Storms: The USGS Response to the Hurricanes of 2005."

USGS science for a changing world logo
November 6, 2007

You are invited to attend an event co-hosted by The Embassy of Afghanistan and the Afghan-American Chamber of Commerce where the U.S. Geological Survey will unveil a 2007 preliminary assessment of non-fuel mineral resources of Afghanistan. 

USGS
September 24, 2007

Scientific evidence has shown that the Earth has warmed abruptly many times in the past, sometimes more than 10° F in just a few decades. Is today's gradual global warming a precursor to abrupt climate change? What are the key indicators that could help predict an abrupt rise in temperature?