全球变暖Global Warming

Recently, global warming has become a hot topic among people. It results from serious air pollution. As the environmental pollution is more and mo...

微型汽车 Micro Car

A kind of little car may someday take the place of today’s big ones. If people drive such cars in the future, there will be less pollution i...

保护地球 Protecting the Earth

My childhood teacher told me that we should protect the earth. However, nowadays, people are killing animals and cutting down trees. These behavio...

健康饮食Healthy Diet

What is healthy diet? To the most people, healthy diet means more green foods, no junk foods. The green food is those pollution-free, high quality...

自行车道Bikeway

Today, the bikeways are being built in more and more cities. There are many advantages of the bikeway. First of all, the bikeway is only for t...