Nitrous oxide (N2O) is a colorless gas that can make people laugh or feel pain relief, as well as a long-term agent to warm the planet and deplete the ozone layer. Specifically, its warming impact is 300 times more potent than CO2. Life cycle analysis indicates that most of the atmospheric nitrous oxide (75%) originates from agricultural soil management due to excess usage of nitrogen fertilizer. To confront the N2O crisis via a cost-effective way, Prof. Ozin proposes a photocatalysis pathway involving HNO3 + 2H2O + hv –> NH4OH + 2O2 in the first place. See full story at Advanced Science News.
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