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Space Shades: Humanity's Last Hope | Answers With Joe

Joe Scott · explainer · Watch on YouTube

Climate policy, solutions & debateSpace exploration & spaceflight

What it is

Joe Scott takes a serious look at space sunshades as a climate fix, asking how big they would need to be, what they would cost and whether they would work. He draws on Roger Angel's paper and launch options.

Why Hacker News recommends it

Linked as a worked look at the maths and assumptions of orbital sunshades, which concludes they are impractical.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2020, last 2023

What HN commenters said

  1. “talks about how big it would need to be, among other things.”

    Covers fun details such as how big a sunshade would need to be.

    laweijfmvo, 2023-12 · Recommendation · in “Scientists want to put a 'sunshade' in orbit to fight climate change”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: solar shades, climate engineering, space launch, roger angel, starship

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