Cover surfaces with this ARPA-E funded material https://arpa-e.energy.gov/technologies/projects/passive-radiative-cooling-film https://arpa-e.energy.gov/technol

Cover surfaces with this ARPA-E funded material https://arpa-e.energy.gov/technologies/projects/passive-radiative-cooling-film https://arpa-e.energy.gov/technologies/projects/passive-radi... Not only does it reflect heat (what metals do), it’s designed to emit heat energy (what metals don’t do) in the atmospheres IR window so that they are actually cooling as well.