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All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.

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Net Zero by 2050

Posted on 11 August 2021 by Guest Author

How many cows are we allowed in a carbon neutral world?

Everyone is talking about net-zero by 2050, but it is not as simple a phrase as it might seem. Atmospheric physicist and fellow YouTuber ClimateAdam joins me in this video to talk through the finer details, which for some reason I kept consistently bringing back to the topic of cows.

We talked negative emissions, whether we should wait for technology to improve before we start getting serious about reductions, and whether methane is more or less of a worry than carbon dioxide.

00:00 Intro

02:59 What do we mean by "net" zero

04:02 Nature doesn't count

05:17 Negative emissions

06:53 Carbon dioxide vs methane and emissions from aviation

09:24 Why 2050? What are the assumptions?

10:47 Do the easy stuff right now

11:57 Filling up a glass analogy

13:10 Rosie's net-zero philosophy

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Comments 1 to 1:

  1. I'm 74, married 52 years, and have no children. If I did have children, I would be outraged that we are settling on a 2050 zero-carbon date. We must do better for Greta's generation.

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