Слайд 2People can stop to drop litter.
Слайд 3People can burn waste instead of just throwing away.
Слайд 4
People can stop to kill insects birds animals.
Слайд 5People can stop to cut down trees and plant more trees.
Слайд 6People can not to suffocate from poisonous gases.
Слайд 7 People can stop to pollute water, land and air.
Слайд 8 People must not waste paper, plastic, metal ,glass.
Слайд 10 People must build more recycling centers.
Слайд 11 People must use more paper packaging instead of plastic packaging.
Слайд 12 People must stop to burn forests and take care of wild animals