Weatherdem's Weblog

Bridging climate science, citizens, and policy

Good Climate Language Development

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I have commented many times in the past few years that the emissions scenarios underlying IPCC climate projections were archaic and focus needed to shift based on historical (observed) emissions away from the emissions set established more than a decade ago.

It is thus refreshing to see in a new short article, written by some of the most well-known names in climate science, the A2 scenario described as “moderate” instead of “extreme” (if it was used in a scientific report in the first place), as was the case even within the last year.  The authors accurately state that to achieve the A2 trajectory, which results in some of the warmest global conditions by the end of the 21st century, we would have to drastically reduce our emissions now.  I have also written many times that this reduction will not happen any time in the near future.  I keep promising some information to back up that claim and I’ll promise it here again.  A different recent report further reinforced the need I feel to share with readers of this blog.  Hopefully I will have time to write it soon.

I highly recommend reading the article I’ve linked to above.  It’s easy to read, short, yet carries a high impact message for those of us experiencing the destructive and sometimes deadly effects of heat waves in recent years (and right now!).

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