United States Geological Survey

Scientists say polar bears won't thrive on land food

A group of researchers say polar bears forced off melting sea ice will not find enough food to replace their current diet of fat-laden marine mammals such as seals, a conclusion that contradicts studies indicating that bears ...

dateApr 01, 2015 in Ecology
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How does groundwater pumping affect streamflow?

Groundwater provides drinking water for millions of Americans and is the primary source of water to irrigate cropland in many of the nations most productive agricultural settings. Although the benefits of groundwater development ...

dateNov 16, 2012 in Environment
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