1.people/be educated about forest fires , fires/not destroy forest! 2.streets/be cleaner,cities/be nicer places to live 3.people plant more trees,they have more oxygen там нужно (я так поняла)поставить перед предложением if,и окончание ed(например:If people recycled more paper,logging companies would cut fewer trees.(people recycle more paper,logging companies would cut fewer trees.) Помогите))