Study pinpoints uses of most potent greenhouse gas

Three-quarters of the most powerful greenhouse gas sold around the world continues to be emitted more or less immediately into the atmosphere. Major sources of the chemical, sulphur hexafluoride (SF6), have been painstakingly characterised by a German study which suggests that the magnesium industry is an underestimated source alongside other major emitters in the electrical and electronics industries. 1 Lesser but inessential sources are windows, trainers and tyres. The study estimates that 90% of global emissions could be eliminated with available technology.

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