Tuesday, 16 Jun, 2009 Science
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To Tackle Global Warming More People Need to be Born and Die

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A group of researchers at Cal-Tech believe they managed to find a solution to save Earth from global warming. They think that if the population of our planet would increase along with the incease of death rate, a greater amount of nitrogen would be taken out of the atmosphere, which in its turn would cool the Earth.

According to the researchers Joseph Kirschvink, Yuk Yung, King-Fai Li and Kaveh Pahlevan, the main reason why our planet is not much warmer than it could be is that it can discard carbon dioxide.

However, our planet has almost worn out its ability to shed carbon dioxide, which is why we now face the risk of severe overheating. Thus, there is a need to find another approach to cooling the planet, and scientists believe that lowering the atmospheric pressure would do the trick, because it would get rid of nitrogen from the atmosphere. It is worth mentioning that nitrogen is largely nonreactive gas that constitutes about 78 percent of the atmosphere. Thus, by eliminating it, scientists would help the planet normalize the temperature on its surface. The good news is that we are already involved in the process. You can also consider reading at infoniac.com the article about ten unnoticed effects of global warming, found below in the related news category.

What is really impressive is that there is no need of any external influence in order to eliminate nitrogen from the atmosphere. Scientists consider that the biosphere would play the main role in the process. This is because nitrogen persists in cells of organisms as they evolve, and when organisms die, they get rid of nitrogen.

Because nitrogen is tied to other elements in the body, after the death of organisms (which includes humans) it is not released into the air. In such a way, with a high birth and death rates, global warming could be tackled, scientists say. They add that by considerably increasing the population of Earth and then increasing the death rate around the globe, people could extend the life of our planet by 1.3 billion years.

More on the study could be found at Scientific Blogging

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