Nitrogen may have arrived on Earth in ancient meteorites after the planet had already formed.
Humans have crossed four of nine 'planetary boundaries' that could render Earth less hospitable to life, reports a new study. Continue reading →
New images from NASA's Aura satellite show that over the last decade, the amount of the pollutant nitrogen dioxide in the nation's air has decreased significantly. Continue reading →
Burning fossil fuels could ultimately have profound consequences for ocean life.
The Everglades' alligators, herons and other inhabitants wade in cleaner water than they did in the 1970s.
Capturing ammonia as opposed to scrubbing it from feedlot waste could provide farmers a local source for fertilizer.
Scrubbing wastewater of nitrogen is a potential business boon waiting to happen; it would help reduce energy use as well as air and water pollution.