consume less energy. Climates are changing and ocean levels are rising because of global warming this growing problem is due to increased levels of carbon dioxide in the atmosphere as a result of the burning oil, coal, and gas. in order to save electricity, use environmentally friendly lightbulbs, and turn the air-conditioning down or off when possible. To conserve gas or oil, turn down the heat by 2 F (1 ํc). You'll also cut 10 percent off your bill.