 
  sxc.hu
 informed American Oceanic and Atmospheric Administration, for the first time in the history of  CO2 concentration exceeded four parts per million.  
 
 ALARM environmentalists: CO2 LEVEL CRITICAL THRESHOLD EXCEEDED >> 
 
 concentration of carbon dioxide began to rise dramatically from the mid-nineteenth century, when the Industrial Revolution took place. Sentences experts are divided: by some as the current state of the atmosphere corresponds to the person. Others point out that it is a natural process. 
 
 last time the concentration of carbon dioxide in the atmosphere of the Earth occurred 3-5 million years ago, even before mankind existed. 
 
Experts say early as 2037, the CO2 levels exceed 450 parts per million. This means that the earth’s temperature will rise by 2 degrees Celsius – tells tvp.info
 RADIOACTIV URANIUM IN FERTILIZERS. MASSIVE CONCENTRATION >> 
 
 researchers believe the limit beyond which the Earth’s climate will change in a way difficult to predict – probably disastrous for humanity. 
 
 
   
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