Posted by Masayuki Adachi on August 15, 19101 at 12:58:03:
Topic number : 30
In recent years people have done various activities of protection of earth, which have been more popular. But, it is impossible to deny that many human activities have been destroyed the nature of earth.
First, the exhaust by human activities, such as production and traffic causes the air pollution. The development of human life has sacrificed many destructions of nature. Of these sacrifices, the most harmful is air pollution because we cannot easily and quickly refresh the polluted air even with any technology.
Second, forest and mountain are damaged by human activities, such as tree trimming. By the damage, recently the temperature of earth is increased or sea level is upped. In addition, it affects the ecological system at that place: some plants, animal, and insect ware extinct.
In conclusion, human activities have caused the destruction of earth. Although it is difficult for us to live without any destruction of nature of earth, we should try to restrict it to the minimum.