acid rain

Columbia students from a class on social-ecological systems for sustainable development recently visited the Catskills watershed that included a tour of a model forest.

The Catskill Watershed: a Story of Sacrifice and Cooperation

It has become so easy for us here in NYC to turn on the tap without realizing the hardship, unimaginable sacrifices and money that have allowed us this incredible resource at the mere flick of a finger. We returned to the downstream end of the aqueducts with a newfound appreciation of the hard work we saw first-hand and an understanding of how special our water really is.

by |November 30, 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