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Plants saved Earth from permanent ice age?

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Nick Stockton asks, at Wired, why didn’t the ice ages that began at 800,000 ago just remain? What reversed the cooling trend?

A new study, published today in Nature Geoscience, has a hypothesis what that something was: plants. Or, more specifically, a complicated process in which plants wear down certain kinds of rocks, and how those rocks remove carbon dioxide from the atmosphere as they wear down—leaving just enough CO2 out there to trap solar warmth, and gradually bring summer back. More.

Most ecology on the planet actually depends on plants. Everything seems organized around them, including temperatures.

See also: How plants see, hear, smell, and respond without animal sense organs

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One Reply to “Plants saved Earth from permanent ice age?

  1. 1
    asauber says:

    Nature Geoscience, has a hypothesis

    Who doesn’t?

    Andrew

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