A new analysis finds global forest maps overlap far less than expected, raising questions about climate funding and ...

For the first time, scientists have mapped groundwater variables nationally to understand which aquifers are most vulnerable to contamination from orphan wells. Oil and gas wells with no active owner ...

Gardeners and farmers across the U.S. look to plant hardiness zones for guidance on which plants to grow. The U.S. is divided into 13 plant hardiness zones based on the local coldest temperature of ...

The chytrid fungus disease is responsible for global amphibian population declines, such as the endangered limosa harlequin frog shown above. Brian Gratwicke, Smithsonian’s National Zoo and ...