Animal waste and nitrogen-based agricultural fertilizers contribute to nitrate runoff, which ends up in creeks, streams, rain and, eventually, water systems. Nitrate, that mix of nitrogen and oxygen, can cause serious health problems if it's too concentrated.
The government's ambitious plans to promote ecological progress, a priority of the central leadership, have created a potential multitrillion-yuan market for soil remediation work in the next three decades.
As the active ingredient in Bayer's Roundup herbicide is increasingly scrutinized for human health impacts, scientists say it also could be altering the wildlife and organisms at the base of the food chain.
Jane Worthington moved her grandkids to protect them from oil and gas wells—but it didn't work. In US fracking communities, the industry's pervasiveness causes social strain and mental health problems.