Human activities have endangered many animal and plant species. Some people think it is too late to save them, while others think humans should still take some action. Discuss both views and express your own opinions.

　　This is one of the harder questions I have seen recently, but the ideas you need are simple enough.

　　It is too late to save endangered species

　　It is not too late to save species

　　It is that easy. Those two ideas are your two main topic paras. All you need now are some reasons and examples.