And by presenting a really strong economic case, they convinced the L.A. government that replacing that asphalt with trees and other greenery, that the schools themselves would save the system more on energy than they spend on horticultural infrastructure.
I presentant un argument econòmic realment fort van convècer al govern de L.A. de que substituint aquell asfalt per arbres i altres elements verds les pròpies escoles estalviarien al sistema en energia més del que gastarien en la infraestructura horticultural.