It's A Global Issue
Climate Warming Is a Global Problem
But the impacts and potential solutions will affect us locally
and in many different ways. The challenge for each of us and for
our policy makers is to pursue effective responses that are as
fair as possible to all people and nations.
In this exhibition the National Academies provide scientific information
to help us make informed decisions and to help answer some important
questions.
Is The Climate Warming?
Are Humans Causing Climate Warming?
What Effects Might Climate Warming Have?
What Should Be Done About Climate Warming?
The general retreat of mountain glaciers during
the past century is one example of evidence that the climate
is changing. 
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1928
South Cascade Glacier, Washington |
1979
South Cascade Glacier, Washington |
2003
South Cascade Glacier, Washington |
A growing body of evidence indicates that humans now have a significant
impact on climate. Nevertheless, it is difficult to identify humans
as the only cause of a particular weather event or local climate
change.
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