According to some opinions, the loss of particular kinds of vegetation and pets is considered the most important issue nowadays, while other people claim there are other issues in the environment which are more important. In this essay, I discuss both views and present my viewpoint too. On the one hand, people who are interested in flowers, spend their time studying about profits of different weeds and flowers. They search to take advantage of different undergrowth to cure different diseases. Some of these greeneries have disappeared due to different reasons. The lack of access to these herbs' species, for their medical profits, is considered the main environmental problem. Advocates of brutes consider them as a profitable element of the ecosystem. As a result, disappearing animal species is considered the main problem in the ecosystem cycle. On the other hand, there are several vital environmental questions in the world including climate change, greenhouse gases, plastic waste...