Напишите сочинение или просто обьяснения этой пословицы: if every person swept their own doorstep, the city would soon be clean

Me name i'm i worry about ecological problems of my country. the biggest problem in my city is the air pollution.  if i were leader of my counry, i would protect all nature. i would stop dangerous factories, which polluting air. i would plant fields, parks and forests, because they less air pollution. the traffic fumes are reason of acid rain, so i would ban cars and all people breathe clean air.i know this proverb: "if every person swept their own doorstep, the city would soon by clean". i agree with it. i thik that if a man plant one tree in his garden, this world would be better.

in some sports meets: too, as the judge.

"the judge"