The earth is dependent on by human beings and our activities affect the health of the earth. Mankind’s recent actions have damaged the earth and upset its natural balance.

The disorder of the whole ecosystem is caused by pollution of chemical and mining industries, destruction from modern wars, over-foresting, and over-fishing.

Excess exploitation of water resources will lead to gradual exhaustion of fresh water and the vanishing of marshes;

Greenhouse gas emission causes global warming which results in an increase of sea level;

Excessive pollution has resulted in food shortages and capability diminishment of human fertility and living.