The?purpose?of?green?development,?fundamentally?speaking,?is?to?promote?harmonious?coexistence?of?humanity?and?nature.?Human?development?activities?must?respect,?accommodate,?and?protect?nature;?otherwise?nature?will?retaliate?against?us.?This?is?a?law?no?one?can?deny. According?to?historical?records,?China’s?Loess?Plateau,?Weihe?River?drainage,?and?Taihang?Mountains?—?now?sparse?in?vegetation?—?were?once?covered?by?dense?forests?and?crisscrossed?by?clean?streams,?arable?farmland?and?natural?pastures;?however,?deforestation?for?agriculture?severely?damaged?the?local?eco-environment.?The?expansion?of?the?Taklamakan?Desert?buried?the?once-prosperous?ancient?Silk?Road.?The?expansion?of?the?Hexi?Corridor?Desert?destroyed?the?ancient?city?of?Dunhuang.?The?ancient?city?of?Loulan?declined?as?the?Peacock?River?changed?its?course?as?a?result?of?reclaiming?wasteland?for?farming?and?irrigation.?The?plains?in?the?north?of?Hebei?once?abounded?with?lush?woods?and?meadows,?but?the?land?reclamation?policy?during?the?Tongzhi?years?(1862?1874)?of?the?Qing?Dynasty?reduced?the?500-kilometer?stretch?of?pinewoods?to?barren?mountains.?We?must?take?warning?from?these?cases. Since?reform?and?opening-up?policy?was?adopted?in?1978,?China’s?economic?development?has?made?historic?progress.?This?is?what?we?are?proud?of?and?also?what?has?won?the?admiration?of?other?countries.?Nevertheless,?we?must?be?aware?that?ecological?problems?have?become?our?obvious?weaknesses?and?a?pressing?public?concern.?For?example,?frequent?incidences?of?environmental?pollution?have?endangered?lives?and?caused?widespread?distress.?We?must?make?every?effort?to?change?this?situation. Eco-environment?has?no?substitutes.?We?are?not?aware?of?this?when?we?exploit?it,?yet?it?is?irretrievable?once?lost.?As?I?previously?mentioned,?environment?is?livelihood,?green?mountains?are?beauty,?blue?sky?is?happiness,?and?clear?water?is?wealth.?Protecting?the?environment?equates?to?protecting?productive?forces;?improving?the?environment?equates?to?developing?productive?forces.?We?should?adhere?to?the?fundamental?state?policy?of?conserving?resources?and?protecting?the?environment.?We?should?protect?the?eco-environment?like?our?own?eyes,?and?treat?the?eco-environment?as?our?own?lives.?We?should?develop?a?green?mode?of?development?and?a?green?way?of?life,?as?a?support?to?increasing?individual?and?national?prosperity?and?creating?a?beautiful?environment.? We?should?ensure?the?people?breathe?fresh?air,?drink?clean?water,?eat?safe?food,?and?enjoy?a?livable?environment.?We?should?ensure?the?people?receive?the?real?environmental?benefits?from?economic?development,?living?with?a?blue?sky,?green?mountains,?clear?waters,?and?a?better?environment?than?ever?before,?and?step?into?a?new?era?of?eco-progress.