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I'm a sophomore this year. I want to participate in the National College Student Energy Saving and Emission Reduction Competition, but I don't know what to do.
1. Lighting power consumption

Pay attention to turn off the lights. Use efficient and energy-saving light bulbs. The U.S. Department of Energy estimates that 400 million tons of carbon dioxide can be prevented from being released only by using energy-saving light bulbs instead of traditional ones.

Don't leave what you can finish during the day to do at night. Wash clothes and do homework before dark. Going to bed early and getting up early is good for health, environmental protection and energy saving.

2. Low-carbon cooking

Try to save energy in the kitchen. When cooking oil is heated, it produces carcinogens, which leads to the indoor environment pollution by oil fume. Reduce cooking and cook more vegetables. Don't fill the rice cooker and kettle too full, otherwise the soup will overflow after boiling, which will not only waste energy, but also easily put out the stove fire and cause gas leakage. Adjust the combustion range of the flame so that it does not exceed the outer edge of the bottom of the pot to obtain the best heating effect. If the fire in the pot is small, the flames burning around the bottom of the pot will only be wasted.

Cook and stir-fry at home, just eat and don't stir-fry. When you see discarded food on the road, you can pick it up and feed it to wild dogs, wild cats, birds and other small animals. Deteriorated food can be buried underground as fertilizer.

3. Water saving coup

Taomi water is a good detergent, which can be kept for washing dishes or watering flowers.

Pots and plates stained with oil are cleaned with used napkins first, which saves water and time, and can also use less detergent to reduce water pollution.

When washing clothes, you can add a small amount of soap powder, because washing powder will reduce a lot of foam when it meets soap, which saves water and cleaning time.

Wash your face and hands. Use a small washbasin to collect water, and then pour it into a vat for collection.

Water for washing hands, bathing, washing clothes and vegetables and relatively clean dishwashing water can be collected to wash rags, floors and toilets.

Step 4 take care of your clothes

Dress beautifully and generously, simple and solemn, with a little fashion. Compared with those fashionable clothes, traditional clothes have better freshness and durability.

When going out, you can wear formal clothes instead of household clothes. After returning home, you can change into loose and comfortable household clothes, which can prolong the life of formal clothes.

Pay attention to clothes when eating and walking, and avoid splashing oil stains and mud stains.

Wear apron or work clothes when cooking and working to protect clothes from being damaged.

When washing your hair and face, cover your collar with a towel and roll up your sleeves to prevent your clothes from getting wet by water.

Take off your clothes, fold them, put them in the closet or hang them in the closet. Don't leave them outside to avoid getting dirty.

Change your pajamas at night, which is neat and does not damage your clothes.

After washing dirty clothes, if there are defects, you can make up them with cloth pieces of similar color. Don't be afraid of losing face. Only by dressing solemnly and neatly and behaving politely and appropriately can we truly have dignity and face.

5. Energy-saving use of household appliances

When buying washing machines, televisions or other electrical appliances, choose reliable low-consumption and energy-saving products.

Cut off the power supply in time when the TV and computer are not in use, which not only saves electricity, but also prevents the hidden danger of fire caused by short circuit of sockets. Please turn off the power of the water dispenser when not in use. Keep the refrigerator frost-free