Menu Close

Human nitrogen pollution travels far from cities

Nitrogen derived from human activities pollutes lakes thousands of kilometers from cities, according to new research from the University of Washington.

Researchers examined 36 lakes around the world. Three-quarters of the lakes showed traces of nitrogen from human activities before the 20th century.

Nitrogen enters the atmosphere through the use of agricultural fertilisers and burning fossil fuels. Once in the atmosphere nitrogen can be deposited as rain and snow, thousands of kilometers from its original source.

Read more at University of Washington

Want to write?

Write an article and join a growing community of more than 130,800 academics and researchers from 4,108 institutions.

Register now