Skip to main content


Fixing the Global Nitrogen Problem

Humanity depends on nitrogen to fertilize croplands, but growing global use is damaging the environment and threatening human health. How can we chart a more sustainable path?

By Alan R. Townsend and Robert W. Howarth


Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
February 2010

See the World from a Different Perspective

Subscribe to Scientific American MIND