a paint that reflects 98.1% of solar radiation has been developed, used on roofs it will cool most homes better than the ac they have installed, cut energy use, and help solve GW by reflecting the light back into space;
the only downside is aircraft will no longer be able to be used due to being blinded by all the reflected light, otoh that will also help with GW
https://amp.usatoday.com/amp/8378579002