The industrial gas SF6 is a potent, long lived gas with a global warming potential far greater than carbon dioxide. Widely used for decades in electrical switchgear, it has been favoured as an insulator. On climate grounds, a wide-scale reappraisal is under way looking at the use of SF6 in electrical equipment. Since this report was first published, EU legislation has changed, which makes finding alternatives a priority. This report is by Sustainability First Associates Maxine Frerk and Judith Ward (along with Janet Wood)
