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Sulphur hexafluoride is a more potent greenhouse gas than carbon dioxide and can last thousands of years in the atmosphere.

Employees from the State Grid Yangzhou Power Supply Company conduct gas replacement work at the Jianle Substation in Yangzhou ...

But the large, tightly-linked molecules of sulfur hexafluoride also make it the planet’s most powerful greenhouse gas — 24,300-times more potent than carbon dioxide. Air Jordans and Nike Inc ...