From the invention of modern science, scientists have been warning that we have to protect our environment, and to do so, we have to reduce the amount of energy we are using now. But, many of us do not cut their uses limit. the primary reasons for not following what scientists said are lack of awareness and the high cost of green energy. To encourage people to reduce the energy uses limit, government have to raise awareness and decrease the cost of green energy. As the environment is degrading gradually, many people are unable to see the changes in the environment. There are many people in this world who are still illiterate, and even some of the literate people are not capable to foresee the upcoming environment disaster. For example, in the USA, according to the survey by CNN, 30 percent of the people still do not know about the changes in the environment. The people who are aware about the issue have another problem, the high cost of green energy. For example...