The graphic show us some statistics
about people awareness over the global warming according to report made by
National Geographic in 2012 who describe. In general, 70 % people of Americans believe
global warming is very real and only 12% of them think is not happening. In
contrast 58% of Americans are somewhat or very worried for the global warming and
76% just trust in climate scientists as a source of information about these.
On another hand while
90% of climate scientists believe that the global warming is being cause by humans, only 54 % of Americans believe is caused mostly by human activity And 1%
of all carbon dioxide that is emitted by man made sources.
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