Nitrous acid (HNO 2) is an unstable weak acid. It cannot be isolated and is known only in aqueous solution and in the gas phase. In both media, it disproportionates: in solution, to nitric oxide, ...

Researchers have found that one method of reducing greenhouse gas emissions is available, affordable, and capable of being implemented right now. Nitrous oxide, a potent greenhouse gas and ...

NEW YORK—As scientists, policymakers and environmental advocates seek to accelerate efforts to address climate change, they’re zeroing in on a pollutant long considered the “forgotten greenhouse gas.” ...

Ozone pollution is a global environmental concern that not only threatens human health and crop production, but also worsens global warming. While the formation of ozone is often attributed to ...

Atmospheric nitrous acid (HONO) is an important source of tropospheric hydroxyl radicals (OH). During daytime, sunlight turns HONO into hydroxyl radicals. This process may make up as high as 60% of ...

A dump truck drives up a road in an open pit mine. The Fimiston Open Pit in Australia’s Goldfields–Esperance region produces roughly 24,000 kg of gold per year. Metal mining uses large amounts of ...