Learn about what causes Global Warming at National Geographic. Get facts,
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Global warming is primarily a problem of too much carbon dioxide (CO2) in the
atmosphere. which acts as a blanket, trapping heat and warming the planet.
Oct 11, 2016 ... Research indicates that natural causes do not explain most observed warming,
especially warming since the mid-20<sup>th</sup> century. Rather, it is ...
Scientists have concluded that most of the observed warming is very likely due to
the burning of coal, oil, and gas. This conclusion is based on a detailed ...
How do we know that humans are the major cause of global warming? The
Fourth Assessment Report of the Intergovernmental Panel on Climate Change ...
Dec 22, 2014 ... Since the late 1700s, the world's climate has been changing rapidly, mostly due
to human causes.
Jun 7, 2009 ... The facts about global warming are often debated, but unfortunately, even if we
disagree about the causes, global warming effects are real, ...
Anthropogenic emissions contribute substantially to global warming. Here you
will find scientific evidence supporting that statement.
Mar 11, 2016 ... Q: What causes global warming? A: Global warming occurs when carbon dioxide
(CO2) and other air pollutants and greenhouse gasses collect ...