Opinionated - what do you think is the worst environmental problem?

and why?Opinionated - what do you think is the worst environmental problem?Various toxic emissions affecting our air and water quality, and contributing to acid rain, and the greenhouse effect. In a nut shell, global warming.Opinionated - what do you think is the worst environmental problem?definitely deforestation is the main cause which leads to the global warming which is going to melt the major snowy mountains%26amp;oceans to bring a great catastrophy to the world.ozone layer has opened here %26amp;therefor the ultra violet rays to pass thro to cause skin problems %26amp;cancer.every one must grow trees to save the environment.