What's the most dangerous animal on earth? Most people would think of lions and tigers. In fact human beings are the most destructive animals.

Desertification is spreading everywhere. Water pollution worsens the water shortage. We can't see the blue sky because of air pollution. Human beings cause most of these disasters. This is not a joke.
Experts estimate that China loses RMB280 billion every year due to environmental pollution. They think that the public lacks environmental consciousness. We must promote environment education from the kids.

Environment safety is a key issue in the 21st centaury. The youngsters should increase their environmental knowledge to build a green future.