We need to be environmentally conscious, not because of CO2, but because of real pollutants that are harmful for human health. For CO2 we need technology to con

We need to be environmentally conscious, not because of CO2, but because of real pollutants that are harmful for human health. For CO2 we need technology to control weather, which is not as crazy as it may seem at first. Even the most naive approach of building large number of aerostats to change the amount of light certain regions get would work, it would require large investment, but all the solutions suggested by climate change people require large investments too, and this one would be actually useful.