Traditional Culture Encyclopedia - Weather forecast - 20 13 foggy days.

20 13 foggy days.

The formation of haze weather is the result of air pollution. ① Control polluting enterprises and strengthen air quality monitoring and law enforcement; (2) Planting trees and grass to expand the urban green area; ③ Restrict private cars and advocate public transportation and green travel; Advocating citizens' low-carbon life is the correct way to care for and effectively manage the environment.

Therefore, choose: d.