【答案解析】
With growing attention paid to the environmental problems, the fact that living an environmental-friendly life seems to better the world has been in the limelight in recent years. There ale several practical tips that can help us to lead a healthier, greener, and eco-friendlier lives.
First, we may return to the "good old days" and say goodbye to some "luxurious" modern lifestyles. For example, instead of driving private cars to office, we may switch back to take public transportations, such as buses, or subways. Secondly, living green is not difficult and we can cultivate some habits to make our lives more sustainable. Thirdly, to live green is also to share our own experiences and tips to protect the environment with our friends and to remind each other the importance of such efforts.
With joint efforts, our globe is more likely to be cleaned and beautified.