zlacker

>>ajyoon+(OP)
How about we just make a giant heatsink that reaches into space instead. Then we can cool the whole planet. Coming up with crazy ideas is cheap, but the logistics are obviously impractical.

>>izzyda+eu
Look into radiative cooling. Basically this, but more practical. Several companies working on it: https://www.skycoolsystems.com/

>>0x53+mv
This looks like it depends on the outside air to cool the coolant. "Radiative" can mean that too, not just IR radiation.