Although the world develops much faster and better,the resources on the earth get fewer and fewer.In order to protect them,something must be done.
虽然世界发展得更快更好，但地球上的资源却越来越少，为了保护它们，必须采取措施。
Save water. Water is the source of life. No water,no life. So it's very important for us to do so.Not only should we protect drinking water and stop polluting it,but also make full use of it.
节约用水。水是生命之源。没有水，就没有生命。因此，这对我们来说是非常重要的。我们不仅要保护饮用水，停止污染，而且要充分利用它。
Save electricity. It is crucial. We can't imagine what the life will be like without it.Everyone should do his best to save electricity. Don't forget to turn off lights or other electric machines when we finish working.
的节约用电。这是至关重要的。我们无法想象没有它的生活会是什么样子。每个人都应该尽最大努力节约用电。别忘了工作结束后关灯或其他电器。
Save forests. They are useful .Please stop cutting them down and use recycled paper instead. Make our world a green one to live in.
的人节约森林。它们很有用。请不要把它们剪下来，改用再生纸。让我们的世界成为一个绿色的生活环境。
Recycle useful rubbish. Plenty of rubbish can be recycled like cans,paper,bottles,and so on.
回收有用的垃圾。大量的垃圾可以回收，如罐头、纸张、瓶子等。
We can save resources in this way. I believe we can make the world a better place to live in.
我们可以这样节约资源。我相信我们能让世界变得更美好。