Is anything being done about SF6?

A friend has asked me the question below on a Bulb referral post I have just put on Facebook. Can anyone help with an answer?

“I keep seeing posts about increasing use of electricity and I have absolutely no issue with energy saving etc etc. But nobody ever looks at the effects of SF6 in its distribution, this is thousands of times worse for the environment than CO2, surely more electricity means more SF6. I wonder how many of these energy companies are developing a viable alternative to it (if one exists)”?

What is SF6?

(filler text)

I bet you know, but just in case:

SF6 is a colourless, odourless, synthetic gas. It makes a hugely effective insulating material for medium and high-voltage electrical installations. It is widely used across the industry, from large power stations to wind turbines to electrical sub-stations in towns and cities.

and the concerns on its use: https://www.bbc.co.uk/news/science-environment-49567197

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Thanks! I didn’t know. Or rather, I do remember reading that article from September but didn’t recognise the name.