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Peitli Csilla

Global Warming Causes, Climate Change Causes - National Geographic - 0 views

environment.nationalgeographic.com/...gw-causes

Oroszi Eszter national geographic enviromental pollution CO2

shared by Peitli Csilla on 02 Apr 10 - Cached
  • The only way to explain the pattern is to include the effect of greenhouse gases (GHGs) emitted by humans.
  • the United Nations formed a group of scientists called the International Panel on Climate Change, or IPCC. The IPCC meets every few years to review the latest scientific findings and write a report summarizing all that is known about global warming
  • Most come from the combustion of fossil fuels in cars, factories and electricity production
  • ...2 more annotations...
  • A molecule of methane produces more than 20 times the warming of a molecule of CO2
  • Since 1990, yearly emissions have gone up by about 6 billion metric tons of "carbon dioxide equivalent" worldwide, more than a 20% increase.
  • Peitli Csilla on 02 Apr 10
     
    Külön szervezet jött létre mely nemzetközi szinten összegzi néhány évente a tudósok legfrissebb felfedezéseit a a globális felmelegedéssel és az azt okozó tényezőkkel kapcsolatban. (IPCC)
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