Wild animals have no use in the 21 st century and trying to preserve animals now is just a waste of resources. To what extent do you agree or disagree with this opinion?
Zoos are sometimes seen as necessary but not poor alternatives to a natural environment. Discuss some of the arguments for and against keeping animals in zoos.
Pollution of rivers, lakes and seas is a major concern for people who seek to protect the environment. What are the possible causes of water pollution, and what effects does this have on animal life and human society?