We only have one Earth! Do you know how your everyday activities impact the environment? Take our quiz to find out! According to Energy Star, how often should you replace the filter in your furnace to save energy? Daily. Monthly. Yearly. Never. Which of the following can help you reduce the energy used by a washing machine? Using hot water. Using cold water. Washing only small loads. Using more soap. Which potentially carcinogenic item, commonly found in landfills, is made of polyethylene terephthalate? Car tires. Scrap metal. Water bottles. Cardboard boxes. Which simple action could help Americans save 2 billion gallons of water a year? Using less soap in the shower. Turning the faucet off while brushing my teeth. Washing my car at home. Using fewer ice cubes. Which of the following will take the longest to decompose? Aluminum cans. Newspapers. Disposable diapers. Banana peels. The amount of energy to produce one brand new aluminum can is equivalent to the energy needed to create how many cans from recycled aluminum? 50. 20. 10. 5. Which environmental issue is caused by sulfur dioxide pollution in the atmosphere? Ozone layer thinning. Deforestation. Acid rain. Smog. Which activity pollutes water the most? Boating. Bathing. Paper production. Livestock farming. "Greywater" is water retrieved from showers, baths, and washing machines that can be used to water plants, except for: Flowering plants. Seedlings. Vegetables that will be eaten raw. Lawns. Which of the following uses up the most water to produce? 1/3 pound hamburger. 1 slice of bread. 1 serving of almonds. 1 gallon of beer.