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 ...

Recently, we learned that an oxygen flow meter had been forced into a nitrous oxide wall outlet that was directly adjacent to an oxygen outlet in a radiology suite. The oxygen flow meter's index ...

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.