Let's answer these questions together. What is your view about environmental problems? Now environmental problems are becoming more and more serious all over the world.It is time for humans to come up with some effective methods to limit humans'influence on the environment so as to solve these severe problems
Let's answer these questions together. B Now ,environmental problems are becoming more and more serious all over the world. It is time for humans to come up with some effective methods to limit humans’ influence on the environment so as to solve these severe problems. What is your view about environmental problems?
Let's look at some pictures---different kinds of pollution. Air pollution
Air pollution Let's look at some pictures---different kinds of pollution
Let's look at some pictures---different kinds of pollution. White pollution
White pollution Let's look at some pictures---different kinds of pollution
Let's look at some pictures---different kinds of pollution. Industrial pollution
Industrial pollution Let's look at some pictures---different kinds of pollution
Let's look at some pictures---different kinds of pollution. Water pollution
Water pollution Let's look at some pictures---different kinds of pollution