关于ProtectourEarth的精选

Theenvironmentisbecomeworseandworse.Peoplethrowrubbishaway.Nowwecanseerubbishinanywhere.ItpollutesourEarth.Therearemanycareleadtothenoisepollutionserious.Peoplecutdownalotoftrees.Itmakesourairbecomewo...