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Summer 2023 was the hottest on record – yes, it's climate change, but don't call it 'the new normal'
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this post was submitted on 13 Sep 2023
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Yes, it’s an El Nino year which will push the global average up a little more than normal, but this really is the new normal. Since the new maritime fuel regulations to reduce sulphur dioxide came into effect about three years ago, the stratospheric aerosol concentration has reduced to the point that its cooling effect is waning. There’s nothing holding back climate change now, and we’re getting the full effect like never before. Of course, there will still be some variation in the annual mean temperature, but the line is going up from here on out.
'normal' implies some sort of new stable state, when it's not stable