A growing number of people have realized the significance of preserving the environment these days. However, they do not try to make contributes to protect the environment. I believe we can have some measure in place to help tackle the environmental woes.
In conclusion, although it is impossible for us to make great contribution to this world, we also can do small things to protect our environment.
This intro and conclusion are good. However, you need to put your opinion prior to the end of introduction, known as thesis statement. By doing so, you are easily to restate the thesis when it comes to a concluding paragraph.Because most of environmental problems are too difficult to be copied with and it is likely to take a long time to gain a rewarding consequence.
This contains a bad grammar, as adding no main sentence. Rewrite this part.And even if more people choose to use the public transportation, it also takes several years to reduce greenhouse gas emissions.
I am not sure that
And
can be used here. You'd better replace it, by using another linker.