Too Late for 2

But not too late for 4. Urgent action needed to prevent worst-case climate change scenarios and limit repercussions of abrupt runaway climate change..... OR, that's what I used to think, 5+ years ago; NOW I think it is indeed too late; we're f'd. Tipping points have tipped. Positive feedback effects in play. Bring on the methane. Abrupt climate change on the horizon. Exponential changes will escalate. Homo sapiens may not survive the current on-going 6th mass extinction.

Sunday, November 19, 2023

Too Late for 2!

Provisional ERA5 global temperature for 17th November from @CopernicusECMWF was 1.17°C above 1991-2020 - the warmest on record.

Our best estimate is that this was the first day when global temperature was more than 2°C above 1850-1900 (or pre-industrial) levels, at 2.06°C. pic.twitter.com/jXF8oRZeip
— Dr Sam Burgess 🌍🌡🛰 (@OceanTerra) November 19, 2023

...

Breaking News!

Well humanity, we did it, even if just for one day. Yesterday, Nov. 18, was the first time in recorded history that the global 2m surface temperature breached 2.0°C above the 1850-1900 IPCC baseline.

The long-term average remains below 1.5°C. But not for long. pic.twitter.com/FGdQJP81FM
— Prof. Eliot Jacobson (@EliotJacobson) November 19, 2023

...

🌎🌡📈

ΔT +2.06 °C !!

This is what uncharted territory looks like.

The first time that the global temperature anomaly has broken through +2.0 °C, for a single day in observational history.

Much more to come in the months ahead. https://t.co/58ZjQzpM0s pic.twitter.com/Kp85epOjP3
— Leon Simons (@LeonSimons8) November 19, 2023

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