6.2作文{环境问题}（今天虎头蛇尾了，任务好多= =）
In the present time,although many different enviromental protection activities developed by conservationists from nongovermental organization and many contries as well as make concerted effort to resolve enviromental problems ,such as tree-planting programs to curb erosion, established National Parks to protect wildness , the most important problems affecting our planet today couldn't be solved with our lifetime because i think that once something go way and never come back.
Nowdays, people aware of the importace of biodiversity. Since lots of contry curb illegal wild;ife sales to protect species such as orangutans, Asian elephants and black rhinos, number of animal population indeed increased .However,it is a truth that human actiivities make many sepieces gone away from our life forever . For example: The dodo, a three-foot-tall flightless bird with a great big beak, has become a symbol of extinction..The fearless bird lived on the island of Mauritius until humans came along in the 1600s with their tree-felling tendencies and egg-eating pets and livestock. In the search for food to eat and sell, the settlers plundered the island's natural resources, killing giant turtles, lizards, and the huge, flightless dodo birds with abandon.Do you think this kind of beaty bird can return life to our planet?
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Futhermore, we all know the Amazon, home to the world's greatest tropical rainforest,, destruction is another big problem in this time. By moving northwards into the Amazon basin, farmers and workers are also driving deeper into the rainforest, An obvious land use change, with forest area decreased dramatically while the areas of grassland, shrub land, and farmland increased. Unfortunaly,according to the statistics, more than 60 percent of forests globally are relatively disturbed by human economic action at present.Even we are planting trees ,the green in the earth could not return like hundred years ago until we death.
In conclution,too many probelms directly created by human self could not be solved in our life time. But, we still should take responsibility for our wanton damage to Mother Earth, and take steps to ensure it cannot happen again,and we also should saving the planet from ecological disaster by working together hardly.
