South Africa: Can Asteroids and Geoengineering the Stratosphere Save the Planet?

[UCT] Shooting aerosols into the stratosphere to reduce solar radiation and to cool the earth's surface; mining a mineral-rich asteroid belt in space to sustain our technologies; living on the moon ... This is what the future could look like amid the effects of climate change and depleting resources. However, there are possible risks that can come from manipulating the stratosphere to deflect radiation, and tree-planting without planning.

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