The near-surface temperature of the earth has increased by 0.6 degree Celsius over the last century. The largest environmental changes have taken place at high latitudes and or Polar Regions. Over the next century, near surface air temperature will rise more in the polar regions than in any other parts of the Earth as a result of the increasing levels of greenhouse gases. This will increase the risk of flooding and low-lying areas and islands will be wiped out.
Ozone is an extremely important gas in the atmosphere as it absorbs solar ultraviolet rays, protecting us from skin cancer. Whilst the Antarctic Ozone Hole persist, there are increased level of ultraviolet radiation at the surface of the planet earth which is hazardous to man. These reduced levels of ozone can have an impact on lower latitude of South America and Australia.
Head here: The Polar Warming
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