[aerohead]

Originally Posted by Xist

The woodpeckers seem like the simplest solution.

If aircraft created more shade... "Flying bum" airship concept updated with motors powered by fuel cells alongside diesel engines.

So far, the arithmetic for climate change indicates that the 'ounce of prevention' will be superior in all ways compared to any ' pound of cure' geo-engineering scenarios.
The Green New Deal cost one soda-pop/day/capita.
It's the cheapest way out, and guarantees efficacy.