Researchers from China's Northwest A&F University have developed a novel drip irrigation system powered by PV, which stores energy in the form of compressed air. The use of compressed air not only ...

Add Yahoo as a preferred source to see more of our stories on Google. A state inspector photographed ponded water covered in algae blooms at the Ridgewater wastewater treatment site in Mount Juliet, ...

NASHVILLE, Tenn. (WSMV) - There’s a meeting Thursday afternoon over whether Wilson County Schools should get a permit to drip sewage and wastewater onto the Cumberland River Watershed. This issue is ...