58.3 How can we help with global warming? Cover the opposite page and complete the text. - Don't ¹ throw away paper, glass and plastic; ². ________ it. - Don't ³ ________ water: turn off the ⁴ ________ when you brush your teeth. - ⁵ ________ energy by ⁶ ________ off lights when you leave a room. - ⁷ ________ trees in order to ⁸ ________ the amount of carbon dioxide. - ⁹ ________ action now, before it's too late.