A new report commissioned by the United Nations Environment Programme (UNEP) highlights how humans have massively altered global cycling of nitrogen,

phosphorus  and other nutrients.  While this had huge benefits for world food and energy production, it has also created a web of water and air pollution that is damaging human health, causing toxic algal blooms, killing fish, threatening sensitive ecosystems and contributing to climate change. (...)

The article:
http://www.sciencemediacentre.org/our-nutrient-world-food-pollution-and-agriculture/

More about:

http://www.reuters.com/article/2013/02/18/unep-nutrients-report-idUSL5N0BEAHC20130218

http://www.greenreport.it/_new/index.php?page=default&id=%2020574

The Report:
http://www.ceh.ac.uk/products/publications/Our-Nutrient-World-full-report.html

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