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Apr 18, 2014 02:13 PM ET // Tim Wall
Within a few more decades, dire food shortages may lead to global-scale conflict, warns a top plant scientist.
Feb 21, 2014 12:27 PM ET // Tim Wall
Scientists found higher levels of nitrogen pollution beneath organic farms than farms using synthetic fertilizers. Continue reading →
Aug 27, 2013 10:15 AM ET // Denise Chow, LiveScience
Nearly 70 percent of the groundwater stored in parts of the United States' High Plains Aquifer, could be used up within 50 years.
Feb 26, 2013 09:55 AM ET // Lori Cuthbert
A comprehensive study of China's soil pollution is held back by the government amid rising awareness of the country's pollution problems. ->
Nov 8, 2010 11:40 AM ET // Tim Wall
Farmers, conservationists and scientists want to know how soil changed under cultivation.
Jan 19, 2011 05:48 PM ET // Tim Wall
A little tilling can go a long way toward saving the environment.