| What causes global warming? The answer is | | | | 5. Use solar heating technique to heat up your |
| greenhouse gases. Water vapour, carbon dioxyde, | | | | home and water so that you can save the use of |
| methane, CFC are greenhouse gases. Burning of | | | | electricity. |
| fossil fuel emits carbon dioxydes and water | | | | 6. Need to change your car? consider to buy a |
| vapour. | | | | electric car or a hybrid car instead of gasoline car. |
| According to the EIA report, about 72% of | | | | Normally a gasoline cars have efficiency of about |
| electricity is generated by burning of fossil fuel, | | | | 20-30 mpg ( miles per gallon ), hybrid cars have |
| and burning of fossil fuel emit greenhouse gases. | | | | efficiency of about 50-60 mpg while electric car |
| Therefore i can state that saving the use of | | | | have efficiency as high as 130-140 mpg. |
| electricity can lessen the contribution to global | | | | 7. Plant more trees in front or at the back of |
| warming. | | | | your house. Trees have shading effect that can |
| | | | make your house colder during sumer. Besides, |
| 1. Change your home's incandescent light into | | | | trees can absorb carbon dioxyde for |
| compact fluorescent light. A compact fluorescent | | | | photosynthesis purposes. This directly reduce the |
| light uses only 25% energy of incandescent light. | | | | concentration of carbon dioxyde in the |
| 2. Switch off all your electrical appliances if it is not | | | | atmosphere. |
| in used. | | | | 8. Recycle paper, aluminium can and glass. This is |
| 3. Need to change your monitor? buy an LCD | | | | because recycle uses 60-70 % less energy than |
| monitor instead of CRT monitor cause LCD | | | | producing product from raw material. Use more |
| monitor uses about 56% less energy than CRT | | | | energy means burn more amount of fossil fuel |
| monitor. Off your computer screen when you are | | | | and severe the degree of global warming. |
| away from the computer. Set your monitor into | | | | 9. Conserve water. This action have two |
| screen saver mode will not save any electricity. | | | | advantages: (i) Clean water become less and less |
| 4. Don't open your fridge's door except needed. | | | | available nowadays, experts believe that we will |
| This is because open the door for one minute will | | | | face water crisis on the next few decades. (ii) A |
| force fridge's motor to operate for half hour | | | | lot of energy is needed to process clean water. |
| more. | | | | |