EmailThis field is for validation purposes and should be left unchanged. 25 likes If we plant more trees, they will absorb more Carbon dioxide and give Oxygen. Less CO2 means, less global warming and less melting of our ice caps… So more penguins can live happily. And we can enjoy the greenery too. Rivindu U. Age 10 Ananda College, Colombo 10 Colombo, Western Province Sri Lanka