The earth is the common home for mankind and animals. Animals are humans' partner. But because of excessive hunting, there are now fewer animal species in the world. Hundreds of species of animals have been extinct for thousands of years, according to biologists. The massive destruction of animals will have serious consequences for human beings. By protecting the ecological environment, human beings can have a sustainable development of space. Let us start from now on, beginning with me: animal protection, making the world a better place.