Methane atmosphere percentage?

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Bill Spencer asked a question: Methane atmosphere percentage?
Asked By: Bill Spencer
Date created: Fri, Mar 26, 2021 9:33 AM
Date updated: Mon, Sep 19, 2022 8:27 PM

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Video answer: Global climate change

Global climate change

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  • ( NASA Earth Observatory image by Joshua Stevens, using data from the NASA Goddard Institute for Space Studies.) Methane makes up just 0.00018 percent of the atmosphere, compared to 0.039 percent for carbon dioxide. (CO 2 is roughly 200 times more abundant.)
  • Methane is an important trace gas in Earth’s atmosphere. Even though it only makes up 0.00017% (1.7 parts per million by volume) of the the atmosphere, methane traps a significant amount of heat, helping the planet remain warm and habitable.

Video answer: Earth's atmosphere

Earth's atmosphere

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