- Not going to last any significant amount of time, due to the solar sail effect. Solar wind will simply blow them out of the stable L1 orbit in a few decades at most, maybe a few years
- Let people emit more CO2, because "the problem is solved" in the short term, and when it doesn't work and that 2% of sunlight comes back, it'll exacerbate the problem.
- Not going to last any significant amount of time, due to the solar sail effect. Solar wind will simply blow them out of the stable L1 orbit in a few decades at most, maybe a few years
- Let people emit more CO2, because "the problem is solved" in the short term, and when it doesn't work and that 2% of sunlight comes back, it'll exacerbate the problem.