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Study: Carbon offsets aren’t doing their job, overstate impact
(arstechnica.com)
This is a most excellent place for technology news and articles.
So, I actually read the article. It sounds like they could or should work, in theory, but because of fraud and/or marketplace incompetence, they do not. I bring this up only because I don't think the discussion on the topic has been nuanced enough to distinguish between idea and implementation.