Earth is experiencing with the risk of catastrophe due to the thinning of the ozone layer and the change of climate. The depleted ozone layer (the earth shield) allows more intense harmful rays to penetrate the atmosphere. We should stop using the ozone depleting substances and to plant more trees to absorb global warming gases. This is the only option for us to save the earth and ourselves. (This picture is inspired by Gaia, Greek Goddess who are mother of all lives. We need to help Gaia to save us.