Do you help your mom and dad 1.________ (wash) clothes? Then wash them in 2.________ energy-saving way. A recent study by Cambridge University found that 60 percent 3.________ the energy used on a piece of clothing is spent in washing and drying it. Over its lifetime, a T-shirt can send up to 4 kilograms of carbon dioxide into the air.
    If you wash 4.________(you) own clothes, wash them in cold or warm water 5.________ (save) energy, 6.________ not hot water. Wash your clothes 7.________ they fill up the machine. Use the most energy-saving machine you can find. Some new ones use as little as one-fourth of the energy of older 8.________ (machine). When they're clean, dry your clothes in the 9.________ (nature) way, by 10.________ (hang) them on a line rather than putting them in a dryer. Altogether you can cut the carbon dioxide used in washing by 90 percent.