Nitrogen

Rocky Mountain National Park Pollution: Air Pollution From Denver, Agriculture Turn Algae Into Junk Food For Fish

AP | JUDITH KOHLER | Posted 11.05.2009 | Denver


DENVER — Airborne nitrogen pollution from vehicle exhaust and farm fertilizer is turning algae in the alpine lakes of Rocky Mountain National Pa...

Orange is Greener When It's Organic

Wendy Gordon | Posted 03.07.2009 | Green


Wendy Gordon

PepsiCo learned that it wasn't running the Tropicana factory or transporting juice containers, but the nitrogen fertilizers they used that were the primary carbon emissions culprit.

Methane Thaw Worries Climate Scientists

AP | SETH BORENSTEIN | Posted 11.27.2008 | Green


WASHINGTON — Carbon dioxide isn't the only greenhouse gas that worries climate scientists. Airborne levels of two other potent gases _ one from ...

Nitrogen at a Glance

Isabel Cowles | Posted 10.03.2008 | Home


Isabel Cowles

Your carbon footprint has a shadow: nitrogen. Unlike carbon dioxide, which scientists have long understood as a damaging green house gas, nitrogen is ...