温室效应
This is not an easy task, so nations should work together to prevent this global disaster, at the same time ordinary citizens should do their part.
这项工作任重道远，所以各个国家要联合起来共同组织这场全球性的灾难，同时每个公民也要尽自己的一份努力。
人口爆炸
Campaigns should be launched to raise the awareness of family planning, safeguarding the environment and slowing the population growth.
我们应该开展各种活动增强人们对于计划生育，保护环境和控制人口增长方面的意识。
地球环境
1. It is time for us to take measures as it is each citizen’s responsibility to save our mother earth.
是需要采取措施的时候了，因为保护地球母亲是每个公民的职责。
2. There is only one earth which we can live in. we can’t afford to lose it. The environmental protection is safeguarding of our own life.
我们所居住的地球只有一个，我们无法失去她。保护环境就是守护我们自己的生命。
3. Only in this way can we pursue comprehensive , balanced and
sustainable development and make a harmonious society come true.
只有这样我们才能实现全面协调可持续发展，构建和谐社会。
4. As is well known to all, the conservation-minded society is advocated through China, let’s practice what one preaches.
资源浪费
In conclusion, we should limit the overuse of the natural resources and protect our living environment in order to maintain the balance of environment.
总而言之，我们需要限制自然资源的过度使用，保护我们的生存环境，以便维持生态环境的平衡。
全球变暖
it is only by united efforts of everyone dwelling on the earth that our planet can be redeemed , so can our lives.
只有每一个居住在地球上的人携手合作，才有希望拯救我们的地球，拯救我们自己。
Only in this way, can we create a stronger, healthier and more beautiful world.
只有通过这种方式我们才能创造一个更加强大健康和魅力的社会。
