How much more carbon dioxide is in the atmosphere today than there was before the Industrial Revolution?



  1. 0 Votes

    The current atmospheric concentration is at 387 parts per million by volume (0.0387%). In 1832, based on ice core measurements, the carbon dioxide levels were at 284 ppmv. That’s an increase of 36%. The Industrial Revolution is considered to be the period of late 18th and early 19th centuries, about 1760’s-80’s to 1830’s-40’s, so this is actually the number after the revolution. In 1770 the level was a little lower, at about 278 ppmv.

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