来自中国电网的超级气候污染物正在炙烤地球 — SkimNews
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- China's power grid is the world's largest emitter of SF6 even as the country leads global renewable energy expansion, per the source, with emissions tied to circuit breakers and other high-voltage equipment used to prevent arcing
- SF6 (sulfur hexafluoride) is a colorless, odorless, non-toxic, nearly indestructible synthetic gas whose warming potency is 24,300 times that of CO2 by mass and which remains in the atmosphere for 1,000 years once released
Why it matters: SF6's combination of extreme potency (24,300x CO2) and millennial atmospheric lifetime means every kilogram leaked from China's grid equipment locks in warming for ten centuries — a second-order climate cost that runs in parallel to, and partially undermines, the country's headline renewable buildout.
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