5 ms·
Urban area is around half percent of earth area (2 mln km2 vs 510). Improving albedo there may have some local effect, but unlikely to contribute significantly
by kilotaras 3y ago
Urban area is around half percent of earth area (2 mln km2 vs 510).
Improving albedo there may have some local effect, but unlikely to contribute significantly to climate change mitigation.
- phreeza 3y agoSolar irradiation is around 1000 W/m2, and greenhouse gas forcing is about 2.5 W/m2, so it's not that outlandish.