WHO sets guidelines to reduce indoor pollution deaths
The World Health Organization on Wednesday announced its first-ever guidelines for indoor air pollution related to cooking, heating and lighting, a problem estimated to kill more than four million people per year.
Mosquito-feeding study may help stem dangerous viruses
Mosquitoes bite male birds nearly twice as often as they bite females, a finding that may help scientists understand how to stem some viruses from spreading to humans, new University of Florida research shows.
China's Xi says he checks pollution first thing every day
Chinese President Xi Jinping has been checking Beijing's pollution first thing every morning, he told world leaders Monday, after authorities pulled out all the stops to avoid the city's notorious smog during ...