Many different terms are used to define this
phenomenon such as climate change, global warming, and global change. Climate
change refers to a distinct change of climate that lasts for a long period of
time. It can effect any number of things. Global warming is an average increase
of temperatures near the earth’s surface. Global change is a broad term used to
define the global environment. The global temperature has risen 1.3 degrees
Fahrenheit over the past 100 years. Scientists have been able to link 90% of
this issue to human activities releasing more and more greenhouse gases into
the atmosphere. Scientists predict if we can continue to live the lives we
live, we will see a 3-7 degree increase by the year 2100. Climate change and warming affects humans in
many ways. Increased frequency and intensity in heat waves are prone to cause
many more heat related illnesses or death. Vegetation and forestry are expected
to decline due to drought in many areas and increased heat and decreased
precipitation. Events such as floods and
droughts are more likely to become more common in increased climates. As stated
above, adjusting to such changes is extremely costly and could drive the
economy into even deeper turmoil. Fragile ecosystems could be damaged and could
cause long lasting affects on almost every ecosystem in the world.
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