World Population Day

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Tiistai 10.7.2018 klo 10:52 - Mikko Nikinmaa


In 1960's-1970's when the environmental movement started, population growth was considered to be maybe the biggest problem for the future of the earth - it was considered that world's agriculture could not feed population exceeding 5 000 000 000. We are now 8 000 000 000. So, the development of agricultural practises has enabled food production far beyond the expectations of late 20th century.

However, that does not mean that there would not be many problems associated with the large population. The increase in agricultural production has been achieved with the help of pronounced pesticide use and artificial (mineral) fertilization. Fertilization in crop production is an important component in eutrophication of waters, which is also caused by the excretion of people and livestock. Water and land is polluted by pesticides and other toxicants. Recently, as a result of waste production of the large human population, the huge plastics problem has been generated. One can also say that the climate change, associated with the large use of fossil fuels, is caused by the large population. 

Further, the oceans are overfished, the mineral resources are overexploited etc. In fact, the earth's resources are drastically overused - if the population were much smaller, the overuse were much easier to avoid.

The World Population Day is on July 11. As one aim of the future for world population is to curb population growth. In Europe the population is not increasing any more, and the same could and should be the goal for every other part of the world. The second aim should be to increase recycling: instead of producing new products of virgin materials and at the end of the product's life time throwing it away, everything should be recycled. It would be important for us in Europe to have all the household machines to be made so that they would be repaired instead of being thrown away/replaced when broken down. As a final aim, the whole concept of economy should be changed: economic growth should not be sought for.

As individuals and families/groups we can celebrate World Population Day by decreasing the group's use of resources per time. The manifest of concerned scientists can be found at http://www.scientistswarning.org/, which generally is a site to follow if one is interested in anthropogenic influences on Earth.

 

Avainsanat: population growth, sustainability, climate change, resource use


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