2. Every piece of office paper is printed on both sides, which is equivalent to retaining the second half of the forest that was originally to be cut down;
3. Turn off the lights, switch and unplug at will, which is the first step and the embodiment of personal cultivation; Don't take the elevator to climb the stairs, save everyone's electricity and change health;
5, the use of environmental protection bags, yes, a plastic bag is fifty cents, but the pollution it causes may be 50 times that of fifty cents;
7. Save electricity, turn off unused computer programs, reduce the workload of hard disk, save electricity and maintain your computer;
9. Considering the contribution of public transportation to the world environment, it can at least offset the sense of superiority brought by driving a private car;
10, use disposable toothbrushes, disposable plastic bags and disposable water cups as little as possible ... because the oil used to make them is also disposable;
1 1. In fact, as an environmentally friendly energy source, the simplest way to use solar energy is to do work as much as possible during the day;
12, eating too much meat hurts at least three objects: animals, themselves and the earth;
13, we can confidently say that saving a bucket of clothes before washing is not because of laziness, but to save water and electricity;
14, cleaning the air conditioner regularly is not only for health, but also saves a lot of electricity;
16, scientific thrift is a fine tradition; After the leftovers are cooled, wrap them with plastic wrap and send them to the refrigerator; Hot steam not only increases the work of refrigerator, but also frosts and wastes electricity.
17, the washing machine is more energy-saving than the weak gear, and it can also prolong the life of the machine;
19. If you use a lot of hot water, you might as well keep the water heater energized to moisturize, because the electricity used for moisturizing one day is lower than that of a box of cold water burned to the same temperature;
20. When cleaning the same car, the water consumption for washing with buckets is only 1/8 of that for washing with faucets. ...