Effects Of Global Warming On Man and His Environment, And The Ecosystem

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Global warming is the increase of Earth’s average surface temperature due to effect of
green house gases, such as carbon dioxide emissions from burning fossil fuels
or from deforestation which trap heat that would other wise escape from
Earth. 

This is a type of green house
effect. You might love to read about Significance of ozone layer and effects Depletion. Please do share your  comments

        A good example of the effect of global
warming on man could be seen in the disease Erythromelalgia. This is a vascular disease that is commonly
triggered by the involvement of change in temperature which leads to syndromes
including burning pain, increased temperature, erythema and swelling of mainly
the hands and feet that are affected.
        Mosquito-borne diseases are probably the
greatest threats to humans, as they include malaria, elephantiasis, rift valley
fever, yellow fever and dengue fever. 
Studies are showing higher prevalence of these diseases in areas that
have experienced extreme flooding and drought.
        While the physical health impacts of
global warming are all known, the impact on mental health has only begun to be
recognized in the last decade. In 2011, an American Psychologist Clayton and Doherty, concluded that global
climate change is bound to have substantial negative impacts on mental health
and well being, effects which will primarily be felt by vulnerable populations
and those with pre-existing serious mental illness.
        They identified three classes of
psychological impacts from global climate change.
·       
Direct – “Acute or traumatic effects of
extreme weather events and a changed environment”.

·       
Indirect – “Threats to emotional well-being
based on observation of impacts and concern or uncertainty about future risks”.
·       
Psychosocial – “Chronic social and community
effects of heat, drought, migrations, and climate – related conflicts and
postdisaster adjustment.
MEASURES TO CHECK GLOBAL WARMING

1.     Replace Regular Incandescent light Bulb:  Replace regular incandescent light bulb with compact
fluorescent light (CFL) bulbs. They consume 70% less energy than ordinary bulbs
and have longer life time.
2.     Drive Less or Carpool:  By driving less you are not only saving fuel
but also helping in reducing global warming. 
Also look out for other possibilities for example car pooling.  If you have colleagues who live in the same
area then you can combine trips.  If you
need to go to a local market, then either walk or go by cycle.  Both of them are great form of exercise.  The biggest pollution emitting fumes are
caused by oil and gasoline.  Cutting down
consumption is a nuge step to reducing energy wastes.
3.     Reduce, Reuse, Recycle:  Reduce your need to buy new products or use
less, resulting in a smaller amount of waste. 
Even if you need to buy, consider buying eco-friendly products.  It is most effective of the three Rs.  It simply says cut back from where you are
now.
4.     Go Solar:  many people have caught the energy efficient
band wagon of solar energy.  Having solar
panels installed is something readily possible and available.  Incentives and discounts given by government
agencies and energy companies make solar energy something to look into.
CONCLUSION
As the climate
undergoes global warming, it changes the nature of the global rainfall,
evaporation, snow, stream flow and other factors that affect water supply and
quality.  Fresh water resources are highly
sensitive to variations in weather and climate. 
Climate change is projected to affect water availability.
In areas where the
amount of water in rivers and streams depends on snow melting, warmer
temperatures increase the fraction of precipitation falling as rain rather than
as snow, causing the unual spring peak in water run off to occur earlier in the
year.  This can lead to an increased
likelihood of winter flooding and reduced late summer river flows.
Rising sea levels
cause salt-water to enter into fresh underground water and fresh water
streams.  This reduces the amount of
fresh water available for drinking and farming. 
Warmer water temperatures also affect water quality and accelerate water
pollution.

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