15. G reen was the color of the earth L and and trees, they were close friends. O ne day, people appeared. B uilt buildings, they cut down the trees. A fter that, many forests disappeared. L and was still here, but in lonely… … toxic trash, polluted water, made land in tears… C an you change it, people? I know one way… I t’s difficult, but practical. T ake care of the earth, that’s your work, I mpart environment laws, do you agree? Z ealously, collect noxious rubbish, keep the sea… E njoy to keep the forests, plant trees, N ow or never, do it with me! S uch global citizens, let’s paint the earth and our future… … with green.