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For years, researchers have pursued the idea of improving the reflectivity of paint on exterior walls or roofs, since this could help keep buildings cool on hot, sunny days.

After the first few batches of satellites were launched in 2019, astronomers around the world raised concerns about the satellites’ reflectivity.

Marine cloud brightening involves spraying very fine saltwater from a boat towards low-level clouds above the ocean to enhance their brightness and reflectivity.

Bifacial solar systems, paired with high ground reflectivity, offer tremendous potential in these regions.

"This structure exhibits a high transmission in the 750-1000 nm range and a high reflectivity in the 500-700 nm range," researchers wrote.