请帮我修改下这篇作文,看看有啥语法,单词或者语句错误.

请帮我修改下这篇作文,看看有啥语法,单词或者语句错误.
Nowadays,the word,"low-carbon" is not a strange word for people ,and the low-carbon lifestyle has become more popular within us.such as that we buy and eat all are low-carbon.we travel select the bike rather than the cars and so on.In a word,the low-carbon lifestyle can be definited that a lifestyle which in order to protect environment from polluting by the things we use.according this definition,we know that the low-carbon lifestyle is necessary and can be good for our environment and eventurally be good for our human being.As a college student,what can I do?on the one hand,I will join in this kind of lifestyle and do like others.for example,I can keep use the things of low-carbon,and save the electric and water.on the other hand ,I also can promote this kind of lifestyle to our family,friends and more people.let they understand that this is not only for the enironment,but also for ourselves.