关于保护地球的英文海报

How to protection and save our earth ?Nowdays the environment become bad.What's the reason made it?I think there are the reason.1 break up the forest2polluted water3contaminate air4 over extractnatural resources After we understand that we can do it opposite way Don't break up the forest and grow more trees.protect the water anytime and save water.cleanse the air return it.save the resources includ coal petroleum oil natural gas and so on....