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Grand Challenge 14: Manage the Nitrogen Cycle

Not as catchy as global warming, but human-induced changes in the global nitrogen cycle pose engineering challenges as critical as coping with the environmental consequences of burning fossil fuels for energy.


Tracking Nitrogen's Pluses and Minuses

Tracking Nitrogen's Pluses and Minuses

Nitrogen, the most abundant constituent of the atmosphere, is also an essential element for the growth of plants and animals. Nitrogen oxides are involved in acid rain, global warming, and urban smog. William Trogler, professor of chemistry and biochemistry, studies the dynamic exchange of nitrogen between the atmosphere, land masses, and oceans.