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1..2…350!

December 9, 2008

aerialpoznan

350 is supposedly the most important number on the planet. The number 350 was taken that the safer upper limit for atmospheric CO2 is 350 parts per million. To give a brief explanation on what parts per million is, as per cent means out of a hundred, so parts per million or ppm means out of a million. Parts per million – ppm –  is commonly used as a measure of small levels of pollutants in air, water etc. According to scientific studies, we are currently at 385 parts per million and that is a far cry from our pre-industrial revolution days, where the amount was only approvimately 275ppm. Based on that, the amount was doubled as the maximum limit where the scientific drew the line, to basically not exceed 550ppm. A common target range amongst the climate change analysts, backed by Nicholas Stern, would be be between 450 and 550 ppm. This has been the general concensus till James Hansen, director of the NASA Goddard Institute for Space Studies, announced that we would in actual fact need to cut the levels to 350ppm or we would be faced with irreversible impacts on our planet.

On the 8th December, hundreds of youth and members of the public participated in an aerial display which took place on Freedom Square in Poznan. We lay down on the freezing cold concrete to form the large image as seen in the photo. Thankfully we had some nice hot chocolate being passed around to keep us slightly warmer. Nonetheless I hope it was worth everyone’s effort and that people around the world would learn more about our fragile environment and stop being ignorant. Changes around us can be subtle and unnoticable and at times even forgettable. But we should never neglect the effects we have on our planet as in the end, we are only harming ourselves and might be the cause of our own extinction.

350-51

from my point of view @ the top of the number 5

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