Climate changes will endanger rare ecosystems, including a unique Scottish coast

2014 - 03 - 31
Climate changes will endanger rare ecosystems, including a unique Scottish coast

Temperature changes connected with global warming will also impact unique ecosystems all over the world. Even small temperature oscillations are often enough to cause their devastation. For example, coastal ecosystems in the north-west Scotland, as well as the polar bear population can experience destruction. Climatologists then warn the restoration of such damaged ecosystems is impossible.

This is stated in the second part of the complex report on the climate state of the Earth issued recently under the patronage of the Intergovernmental Panel on Climate Change (IPCC). According to an optimistic scenario of greenhouse gas concentration increase, the Earth’s surface will get warmer by 0.3 to 1.7 °C. According to the most pessimistic one it will get warmer by 2.6 – 4.8 °C.

Climatologists expect a sea level rise of 26 to 55 centimetres in the best-case scenario and of 45 to 82 centimetres in the most critical one. This could have catastrophic consequences for some coastal, low-lying countries. In Europe this is mainly the Netherlands.

At first sight it might seem the sea level rise is insignificant; however, the opposite is true and the low-lying European countries, led by the Netherlands, know it very well. Climate change will affect Central European countries as well. According to scientists these are endangered by great droughts in the future. The climate in some Central European areas can even change in a radical way and in the future it will resemble the climate we know today from the Mediterranean.

Global warming and other changes bound to it will also burden human health and safety. Besides illnesses and health problems related to the above mentioned lack of food and drinking water, in some world areas there will be a bigger danger of fires and heat. The IPCC report predicts that climate change will decrease agricultural crop yield by two per cent every decade until the end of this century. Demand, on the other hand, by the year 2050 will grow by 14 per cent every decade. The results of this could be a deepening food crisis in developing countries.

“Climate change impact will also be very dramatic in a lot of European countries. That is why it is worrying that European politicians have not agreed recently on the aims in the field of climate change,” stated Dalibor Dostal, the Director of conservation organisation European Wildlife. At the European summit the statesmen put off the decision regarding climate change till later; they should come to a consensus no later than this October.

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