cafeamericainmag.com
There has been a lot of CW discussion on climate change. This is an article written by someone that used to strongly believe in anthropogenic global warming and then looked at all the evidence before arriving at a different conclusion. The articles goes through what they did.
I thought a top-level submission would be more interesting as climate change is such a hot button topic and it would be good to have a top-level spot to discuss it for now. I have informed the author of this submission; they said they will drop by and engage with the comments here!
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Notes -
That's more or less what I was gesturing at with 0.005% of GDP.
Though I would prefer they not exhaust the worlds supply of helium to do it. It's a very usefully industrial gas, and basically not renewable. Using hydrogen balloons would be much more "sustainable," though not supper feasible to do at small scale. Using their cost projections you actually get ~0.05% of gross world product per year. I assumed you could get the cost down with economies of scale by using some mix calcite substituting for the sulfur and hydrogen substituting for the helium.
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