Solutions for a nitrogen-soaked world
Overabundance of an essential nutrient is not always a good thing. – by Liza Lester, ESA communications officer. A tractor spreads manure. Excess fertilizer seeping out of fields has a host of consequences for ecological systems and human health. Credit, flickr user eutrophication&hypoxia, 2010.  NITROGEN is both an essential nutrient and a pollutant, a byproduct of fossil fuel combustion…