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In Paris at the end of 2015, the world rejoiced when the national representatives from around the planet agreed to try really, really hard to keep average global temperatures from increasing more than 1.5º C above pre-industrial levels. Of course, in the 1800s when the Industrial Revolution began, the amount of carbon dioxide in the atmosphere was around 300 parts per million. In 2015, carbon dioxide levels were on the verge of breaking the 400 ppm barrier. Today, with COP 28 now in the rear view mirror, the world is experiencing carbon dioxide levels of 420 ppm.
In order for all the happy talk in 2015 to mean anything, CO2 levels should have been declining since then. The fact that they have risen instead means the promise of the Paris climate accords was a mirage. Pessimists at the time…
Read the full article originally published at cleantechnica.com.