Volunteers have cleared up 60 boxes of nitrous oxide gas which had been fly-tipped on a mountain in Conwy county. Nitrous oxide, also known as laughing gas, is designated as a Class C drug.

March 14 (UPI) --Inhaling commercially available nitrous oxide canisters, commonly known as laughing gas, could lead to serious harm or death, the U.S. Food and Drug Administration said in a ...

Emissions of nitrous oxide—a greenhouse gas more potent than carbon dioxide or methane—continued unabated between 1980 and 2020, a year when more than 10 million metric tons flowed into the atmosphere ...

Although the Montreal Protocol has provided relief, anthropogenic emissions of another substance, nitrous oxide, are set to dominate ozone destruction. Figure 1: Influence of greenhouse-gas ...