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- Jewel LittlenutsLv 710 months agoFavorite Answer
I think I first heard about it in December or January but at that time it was considered a low risk and not widely published.
- Andrew SmithLv 710 months ago
I read an article about "global warming" in the 70s. It took thirty years before it became publicly topical. So one year is an incredibly short time for the average person to discover that there is a problem.
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