Viewing profile — a2l
a2l
HN member- Joined
- Sun, May 22, 2016, 7:38 AM UTC
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About a2l
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Comment #38882386
Found this: https://www.youtube.com/watch?v=NORPeCcIXRQ
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Comment #38854788
With this perhaps? https://climeon.com/how-it-works/
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Comment #12100930
Also from the same site: > "Since the industrial revolution in the 18th century, the concentration of carbon dioxide in the atmosphere (an important greenhouse gas) has risen signi…