Global Warming Evidence

December 2nd, 2007 by admin

The evidence of global warming are clear and undeniable. Many politicians are overlooking the facts, but let me just remind to you some of the most obvious global warming effects. The average global temperature is about 0,5 degrees centigrade higher than it was compared to one century (100 years) ago. Snow and ice-cover have decreased this century, deep ocean temperatures have increased, and cloud cover over North America has also increased over this period. The latter indicates increased atmospheric water vapor. Methane (CH4) has doubled in concentration, mainly as a result of agricultural activities, between 1750 and 1990. There is a rapid extinction of species. A lot of nations have to make costly changes to their entire industry, including USA, China, developing economies. That's why politicians prefer to deny the global warming truth.

Posted in Social Issues :: Environment