ozone

La Nina illo jp2

Bad Ozone Days in Western U.S. Linked to Pacific Weather

A new study shows that ozone pollution in the western United States can be increased by La Niña, a natural weather cycle at the surface of the Pacific Ocean. The finding is the first to show that the La Nina-El Nino cycles directly affects pollution.

by |May 12, 2015
Eutrophication off Denmark and Sweden. Photo credit: eutrophication&hypoxia

Why is Your Nitrogen Footprint Important?

While most people today are aware of the importance of reducing their carbon footprint, far fewer understand the harmful effects of nitrogen pollution. Yet many scientists believe that man’s disruption of the natural nitrogen cycle is a potential global tipping point and a serious threat to biodiversity.

by |March 13, 2011