New reactor system yields green ammonia and purified water

Ammonia plays a critical role in sustaining food production for the world's growing population, but making it accounts for about 2% of global energy consumption and 1.4% of carbon dioxide emissions. Rice University engineers ...

Powering enzymes with light to make ammonia

The Earth's atmosphere contains large amounts of nitrogen in the form of dinitrogen gas (N2). Converting N2 to ammonia (NH3) is critical for making the fertilizer needed for agriculture.