OK. Here’s the deal. I have lots of emails about my recent post. The post was a back of the envelope type estimation to see what would happen to the carbon dioxide in the atmosphere if everyone planted a tree.

It’s just a rough approximation. Here’s the post.

https://www.wired.com/story/plant-a-tree-for-climate-change/

Basically, I estimated the size of a typical tree and then figured out how much carbon dioxide you would need to make that tree. After that, I estimated the number of particles per million (ppm) of carbon dioxide.

Here’s the code for my calculations – https://trinket.io/glowscript/f7edb65694

Now for the rest of this. Lot’s of people have sent me comments. If you want to talk about this – here is your chance. Comment on this post. Another option: comment on twitter. Here is a good thread.

If you email me, there’s a good chance I won’t reply. These two options are your best bet.

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As much as I’d like this effect to be huge, your estimate of tree volume is way off. As mentioned here https://twitter.com/poeljae/status/1180121869468471297 a more realistic tree volume is 1-2 m3. The volume should be estimated as a cone, not a cylinder, and the diameter rarely reaches 1.5 m, more like max 1 m after 80 years for a pine.