Zahirul Haque Bhuiyan

Population density intensifies in every country around the world. Recent statistics shows (World total population Wikipedia) the total population in the world is around 6.78 billion people whereas in 100 years before the overall population was approximately 2.0 billion. 100 years ago most of the countries were dependent on agriculture. At that time earth was facing probably fewer complications than recent days. Why? If we look back what was the socioeconomic status at that time? People in that time had lesser complication or more complications? Anticipating people had fewer complications than present time. Probably people were completely dependent on the agriculture and used less or no chemicals or pesticides. Once the population density was getting intense around the world people have to meet their basic demand like food, shelter, health and wellness, medicine, clothes, communication and transportation systems, and national security. For survival people focused on education, science and technology to meet the quick supply demands. People switched their conventional manufacturing process to the industrial manufacturing process which is called industrial revolution that started from England during the 18th century. From then to this date people are depending on the industry base culture. Last 100 years industry expansion occurred so fast around the world, and the society fully depends on the industry and industrial-base mechanized agriculture. Now what we have been experienced from the industrialization and mechanized agriculture, and what we have been facing from over population? Is not the environmental degradation through toxic pollution and over usage of natural resource in terms of less supply vs. more demand.

First of all over population could turn to socioeconomic problem in the world if the huge amount of workforce and people are not structured properly to meet their food supply, shelter, living space and cultivatable land. Once the proper structure, resource and system are not in place that could impact our environment which could lead to natural disasters like flood, cyclone, tornado, and drought and health problem like diarrhea, dysentery, dengue fever, flu, malaria, malnutrion (More demand vs less supply). Now how could the over population lead to health problem? More people means more food, more accommodation, which leads shrinking of the agriculture land, deforestation and push animals into extinction, consume more water and push off the water level goes to the deep soil surface, day by day filling up the free land and cultivated land, fill up the river, canal, lead to unplanned constructions of roads and highways, increase more transportation and fossil fuel consumption which pollutes the air quality and raising the earth temperature that all together distort the environmental balance increasing the global warming which threatens the earth's stability in the long run.

Now I want to emphasize on the industrial waste disposal, green house gas emission and chemicals as well as the miss handling and over usage of chemical, fertilizer and pesticides. Now the question is how the public health and economy could be in jeopardy due to all of these. The emitted gas from industry could contain Co2, CO, methane, hexane, No. N02, Sulphur, lead (auto emission as well) which pollute the air. When this polluted and toxic air is inhaled by the human and animal that could lead to serious health complications. Those greenhouse gases and chemical components once entered into our body system it may mutate or alter the specific gene that could lead to abnormal cell growth which could turn into cancer, may lead to other complications like respiratory track problems, affect reproductive organ and pregnancy, psychological imbalance due to destroying neuro transmitter signaling pathways, blocking the normal cell regulation or reduce body's natural defense system (Immunity) which could lead to more other diseases like flu, fever, lung cancer, breast cancer, Alzheimer disease. Impair motor function, speech problem, retard kid's brain development, impair physical growth and eye irritation, liver damage, skin rash, and abdominal pain. That eventually put huge pressure on each individual, family and national health care expenditure .The same complications could happen to our domestic animals, livestock, poultry, fisheries which are our main economic backbone and the fundamentals of our nutrition for the survival and growth.

That altogether can destabilize the infrastructure of industrial and over populated country. As a result of that the affected country will face the biggest economic burden that it has to bear for a long time which could insecure the future of our next generation.

Thirdly, the over usage of chemicals and pesticides in agriculture that pollute the water (ground water, field water, river/canal water), crops, vegetable and fruits and the vicinity of the crop land where people live. As we know most of the pesticides are carcinogenic and serious threat to the public health. This contaminated water is stored in the soil and dissolved in the water. The human, livestock animal, poultry and

fisheries and other animals get exposed to theses chemical through food or drinking water. These chemicals also transmit to our body through animals meat and milk, fruits, vegetables. Some creature like fish, birds and other animal will be destroyed eventually due to the pesticides toxic effect. The chemicals or pesticides that transmit to our body system (recent US CDC report showed that Bangladeshi population who are living near to the crop lands carrying Oregano phosphate material that causes death to few children in Saver, Bangladesh) could cause cancer, liver damage, kidney damage, nervous system damage, respiratory tract complications and retarded body's normal growth which will destroy the work force and put huge burden on national economy as well as nation's overall stability. If the process continues without strict industrial and clean water act regulation, and making no serious efforts to find the better way to minimize the risk on the public health that will have a catastrophic affect and turn any country to a disabled nation or non functional country in the earth. Every country must find out an imitative way to enforce the waste management and disposal program, and clean water treatment to treat those chemicals at zero level.

The Government of each affected country should promote the incentives to the businessman or industry whoever follow the government industrial and agriculture waste management and handling program. To maintain the healthy public life and strong financial system government of each country around the world must focus on strict regulation to apply industrial waste management and clean water treatment programmed.