How can I personlly to save the Earth? (сочинение не меньше 100 слов)

Today the problem of ecology in the world is a popular. But how can I save the Earth? I think before I can do not throw garbage on the street, and use the dustbins. This is very important. also i can  help the volunteers to plant trees on the streets. I  can go to cleaning the territory: my yard, street.