Dirty water use on crops puts nearly 1 billion at risk: study

Untreated wastewater from cities is used to irrigate 50 percent more farmland worldwide than previously thought, leaving some 885 million people exposed to the risk of diseases, including diarrhea and cholera, a study said on Wednesday.

Researchers urge more regulation over pharmaceutical pollution in Britain's rivers

Pharmaceutical pollution in some of Britain's rivers has reached a worrying level, and researchers urged more regulation to address the issue, according to a study released Wednesday by the University of Leeds.