Friend and foe: Nitrogen pollution's little-known environmental and human health threats
Sunday, August 28, 2011 - 20:30
in Earth & Climate
Billions of people owe their lives to nitrogen fertilizers -- a pillar of the fabled Green Revolution in agriculture that averted global famine in the 20th century -- but few are aware that nitrogen pollution from fertilizers and other sources has become a major environmental problem that threatens human health and welfare in multiple ways, a scientist reports.