Mankind since birth, the whole food and clothing go toward line and produce, life, all dependence at this star exist by us, the atmosphere, forest that is on the earth, ocean, river, soil, steppe, wild move plant etc., constitute complex but relation close of nature eco-system, these be the basic environment that the mankind rely for existence, for long time, mankind civilization of the progress has been be detained at to nature of conquer loot up, seem to be have never thought of to feed mankind of the Earth give protection and repay, at obtain brilliancy of civilization result of in the meantime, mankind to nature of loot but make this star full eyes scab exist by us, population of growth and production of increase, also result in pound at to the environment, bring environment pressure. 
         Know to all, the mankind take natural environment as existence, the material foundation for continue.But, along with modern industry of development, but the natural environment suffer to arrive more come more severity of break.Air pollution, water pollution, land pollution......The weather become warm, the ozone layer be empty, acid rain, poisonous wastes, wild living creature destroy completely, and atmosphere, water pollution...etc..face these problems, the Earth resources original can rebirth, can mankind but abuse chemicals, cause original rebirth of resources can't rebirth.
          Concern the Earth be concern our home, protection the resources be a foundation that protect our existence's development.We must treat kindly the Earth, protection resources, real walk 1 produce development, life wealthy, ecosystem good civilization development road.The Earth only have 1, she be mankind to rely for existence of beauty home.Treat kindly the Earth, protection the Earth, protection resources environment, be protection ourselves, also leave fine home for our descendant posterity in the meantime.