Photo credit: Hipnos

I often hear people saying that overpopulation is the main problem to our environmental and ecological problems. Some people even claim that it’s responsible for global warming. I also agreed with this idea before. But after reading more about the subject over the years I have changed my mind.

The rich countries in the “North”, i.e. the West, have a “rapidly decreasing” population which is “expected to decline over the next forty years.” Developing countries such as India, China and most of Africa on the other hand is where we will see future population numbers increasing.

And yes. It seems so easy to blame countries with an overwhelming rising population for being responsible for wrecking our planet, climate and environment. Because surely more people must mean more pollution and greenhouse gas emissions. Right?

Not really. The West is responsible for about 80% of the worlds CO2 increase. An average person living in Great Britain will in only 11 days emit as much CO2 as an average person in Bangladesh will during a whole year. And just a single power plant in West Yorkshire in Great Britain will produce more CO2 every year than all the 139 million people combined living in Uganda, Kenya, Tanzania, Malawi, Zambia and Mozambique.

As Fred Pearce from the Yale Environment 360 blog notes, only a small portion of the world’s people are using most of the planets resources as well as producing the most of the greenhouse gases. And those are living in the West:

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Photo credit: Taras Kalapun

The environmental footprint per capita in developed countries is more than 10 tones per year. For example, 10,8 tones of carbon is emitted per capita by British, 12,7 per capita by Greek and 22,4 tones per capita by Americans. It takes both governments and the citizens to take measures to reduce the impact of each nation on Earth. Many every day habits need to be reconsidered and altered drastically.

19.312 Kilometers an average car travels per year, producing 6 tones of greenhouse gases. But you would have to travel 150.107 Kilometers by train to produce the same amount of carbon for the same period. At the same time, 18 times more carbon is emitted per mile per passenger in a car than in a bus. Buses emit less carbon per passenger than trains, planes, boats or automobiles (in that order). In 2007, of the European Union’s total CO2 emissions, the 12% was created by passenger cars.

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Six billion people. That’s the current human population on Earth, and the highest ever reached as well. Things start to get cramped in the cities, while there is everywhere a noticeable depressing atmosphere due to having too many people around, whether that’s in a traffic jam, in shops, at public services etc.

The number of six billion human lives would never have been reached if it wasn’t for fossil fuels. The energy sent by the sun and received by the Earth every day could ever sustain more than two billion people. Fossil fuels combine a sort of energy saved below the surface of the planet, now extracted by humans to use this energy and cover their needs. And with all needs easily covered, humanity was and is able to rise in population.

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Tropical rainforests have the largest biodiversity of all ecosystems on Earth. The soil is rather poor, but it sustains a great variety of plants. It is estimated that 65% of the known plant species are found in rainforests.

During the past three decades, rainforests have been decreasing in size for various reasons, though all of them are connected with human activities. Human populations living near rainforests had the impression that the soil must have been really fertile, as it could sustain such a variety of plants. So, when human started to need more fields for cultivation, they choose rainforests’ earth, and thus they set big fires to get rid of big trees and to obtain space. By the time it was understood that the soil wasn’t suitable for agriculture, many square kilometres of rainforests had already gone.

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