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🚨🌍🌡📈 Using a 15-year trend, we have now officially passed 1.5°C of global warming. All recent La Niña months are above the trendline. Extrapolating this linear trend, we'll hit +1.75°C by 2031 and +2.0°C by 2037. ⬇️

The trend line looks a little below and above the data start and finish, but that only varies the outcome by a year or three.

Other lines of evidence support a strong increased rate of warming over the past decades. Without this, I wouldn't make strong strong statements on surface air temperature trends.

Fully agree acceleration is clear, but the 15 year trend starts in a trough and ends in a peak, both part due to natural variability.