Scientists develop metal-organic framework composites that convert nitrogen to ammonia using renewable electricity, offering ...

A new nitrate-monitoring “lab-on-a-drone” allows for easy, real-time water sampling and analysis in hard-to-reach areas like ...

Nitrogen is an essential element for living organisms, needed to build DNA, proteins and chlorophyll. Although nitrogen makes up nearly 80% of the air we breathe, it’s availability to plants and ...

The U.S. Environmental Protection Agency, reversing a Trump-era decision, is restarting a human health assessment of nitrate and nitrite, a move that has potentially far-reaching regulatory ...

Flames and thick orange smoke rose over the Nevinnomyssk Azot chemical complex in Russia’s Stavropol Krai on the night of 3–4 ...