First of all, we really need experiences from international people here so without public cooperation we cannot achieve something new.
Secondary, we can keep our city clean only if the people thinking like what we need my city to be. There are some steps we can start them from now
1-Don't through the plastic bag,garbage into the street.
2-Educate people about How do you keep your city clean ( IN school).
The most important thing in Riaydh is how to Dispose of crazy driving!!