Trevor Garnett

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Overuse of nitrogen fertiliser can have nasty environmental consequences. eutrophication&hypoxia/Flickr

Agriculture’s hunger for nitrogen oversteps planetary boundaries

Trevor Garnett, Australian Centre for Plant Functional Genomics and Arwen Cross, CSIRO

Planet Earth has boundaries for its biophysical subsystems. By 2009, we had already exceeded three of the boundaries – climate change, biodiversity loss, and the nitrogen cycle. Climate change is a top-of-mind…

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