Industrial development through the progress of science and technology has seriously damaged and polluted the global environment. The improvement of living standard has neglected the criteria for survival:air, water and food. Science, technology and industry create new era for the comfort and convenience of mankind, and at the same time should bear the crisis derived from air, water and food pollution.

Air Pollution:
Lead, cadmium, sulfur oxides, nitrogen oxides and carbon monoxide as air pollutants to cause nerve, respiratory sickness with bronchitis and lung cancer.

Water Pollution:
Chlorination of drinking water can cause reaction of organic substances in water to react with chlorine forming carcinogenic trihalomethanes and carbon tetrachloride, the cancer causing agent.

Food Pollution:
Uncontrolled use of agricultural chemicals, herbicides and antibiotics has brought forth soil and water pollution, with residuals causing food poisoning and chronic sickness.

It is worthwhile to think over and emphasize the way to obtain from nature, to use for nature and to recycle to nature.