As you know,there's no enough clean water for people.So many of them lose their lives because of water.In a lot of countries, people have to cut trees for living.So there's nothing to keep water from running away.Also we have polluted the land, the river and the air.So we have to face more and more floods and droughts .It's time that we must do something useful to protect our environment.We can plant trees and take good care of them.We can save the water and ask our parents to do so.We can't throw any litter onto the ground and we should collect them for recycling.If we take good care of our earth today,it will be more beautiful tomorrow.

　　如你所知，也没有足够的清洁饮水的人。他们中的很多人丧失了生命，因为水。在很多国家，人民必须砍树的生活。所以没有什么可以阻隔水逃跑。我们还污染了土地，河流和空气中。因此，我们必须面对越来越多的洪水和干旱。现在是时候，我们必须做一些有益的保护我们的环境。我们可以种树，照顾好他们。我们可以节省的水，并要求我们的父母这样做。我们不能扔任何垃圾在地上，我们应该收集回收。如果我们照顾好我们的地球今天，这将是更加美好的明天。