San Francisco realized that it made sense to invest in rebates for every household to reuse their wash water and their rainwater to water the backyard, because the amount of water they would save as a community would be so big.
São Francisco percebeu que fazia sentido investir em descontos aos agregados familiares para reutilizar a água das lavagens e da chuva para regar os jardins, pois a quantidade de água que eles iriam poupar era enorme.