Earth Day is day to create awareness & appreciation to the Earth's natural environment, which was founded by a United States Senator, Gaylord Nelson, in 1970. To preserve the environment is not a one-day job for a particular organization but it should be part of our daily life. The cohesion of everyone contribute will result great change. We are enjoying the beautiful blue sky and green planet at present days. Nevertheless, we shall also put our effort to preserve it for our future generations.