1 What is the main idea of the passage?
2. What happens when we do our share in protecting the environment?
3 What does the author want to teach us? 4. In what way can an individual promote "environmental protection in a global village?
![1 What Is The Main Idea Of The Passage2 What Happens When We Do Our Share In Protecting The Environment3 What Does The Author Want To Teach Us 4 In What Way Can class=](https://ph-static.z-dn.net/files/d92/7a59436eedd0c2a827e36221d142de9e.jpg)