Environment
DNA-based technique detects bad bacteria in freshwater beaches
Shading and environmental controls may help save the population.
Researchers propose an "appealing" solution for juicing's leftovers.
Is it possible to put a dollar value on the beauty of a river or to judge the worth of a wetland? Some conservationists think so.
This week's links include stories about agriculture, the Olympics, and cavities.
A year after the Joplin tornado, researchers review lessons learned.
Methods that might be used to purposely affect the climate and correct for the warming effects of greenhouse gases.
Climate-driven changes in ocean salinity over last 50 years could bring floods and droughts.
Ancient ocean chemistry changes may be responsible for remarkable period in the history of life on Earth.