date:Apr 28, 2014
People in the European Union, who according to a United Nations body eat way more protein than necessary, could prompt big cuts in nitrogen pollution if they halved their meat and dairy consumption, a U.N.-backed report said on Friday.
Nitrogen is used in fertiliser to replace nutrients which are removed by soils during plant growth but excess nitrogen can harm the environment by polluting water, air and soil.
Nitrogen can also be released into the air by animal manure or as nitrous oxide, the