David Martin Davies
Oct 14, 2014 Residents of a Texas town are apprehensive about sludge pits planned in their community.
Apr 28, 2014 The toxic discharge from coal plants beats Portland cement when used in concrete.
Jun 17, 2013 Mayor Michael Bloomberg wants New York residents to set aside food scraps in a separate bin. Similar programs are already in place in San Francisco and Seattle.
Jan 10, 2013 Up to half the world’s food is wasted -- that’s the conclusion of a study by Britain’s Institution of Mechanical Engineers.
Aug 27, 2012 An alarming amount of the food we produce is never eaten. It’s a huge waste of land, water, labor, fuel and other resources. How to limit the losses? That depends on where we live.
Aug 27, 2012 Where food is cheap and plentiful, consumers are the biggest wasters -- whether at home, in restaurants or at school. But how much of this waste is preventable?
Jul 17, 2012 The United States isn't the only country looking for a place to store nuclear waste safely for all eternity. But the U.S. may be closer to a solution.
Jun 21, 2012 If these wells are leaking, they could contaminate water supplies and disrupt the most important way we dispose of liquid waste.
Jun 8, 2012 Here in the United Kingdom, retail giants like Wal-Mart and grocery store chain Tesco are food waste into green energy.