Study suggests that corals in the Great Barrier Reef have enough genetic variation to adapt to and survive rising ocean temperatures for at least another century. http://bit.ly/2xVSjTh pic.twitter.com/ffsCYsKlMN
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Yes there is one... Just use this google term.. CO2 levels over geologic time It will give you several.
Interesting - the first 3 graphs I found were all quite inconsistent with one another, and some implied huge error bars. Though all were consistent with your initial tweet (mostly well over 400ppm, sometimes way higher). I guess it's a hard problem, & we're still working on it.
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Er, I mean "inconsistent" in an informal sense. With large enough error bars - I didn't check - they may actually have been consistent! Point is: looks like tonnes of uncertainty. This graph was most recent, very interesting: https://www.nature.com/articles/ncomms14845/figures/4 …
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That is why I offered the search term rather than point you to an individual site. However, the fact is that today CO2 is the second lowest in the history of the planet. We almost reached plant starvation during the last ice age (180 ppm). That would have been VERY bad.
End of conversation
New conversation -
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