Reading further into the articles where the case is laid out, a few caveats appear, but the chain of events seems strong.
The mechanism? An extreme drought in the Fertile Crescent region—one that a new study finds was made worse by human greenhouse gas emissions—added a spark to the tinderbox of tensions that had been amassing in Syria for a number of years under the Assad regime (including poor water management policies).
It is not until you dig pretty deep into the technical scientific literature…
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