Mitigation strategies - global warming.

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Dan Grist
Mitigation Strategies
The mitigation of global warming refers to the policies which attempt to delay, reduce or
prevent climate change caused by global warming. The intergovernmental panel on Climate
change (IPCC) fear that the degree of warming could be so great that it would cause
irreversible change. Therefore we need to do something about it now in order to avoid
reaching this `tipping point' , some scientists believe that we have already met this point
however others believe we still have time to act.
One of the mitigation strategies to deal with climate change is carbon offsetting; this is
the name given to a credit system, called carbon credits, which aims to reduce greenhouse
gas emissions. The European emissions trading scheme (created by the EU) is set up to as a
means of carbon offsetting. It has given 14,000 factories and power plants permits (called
credits) to emit certain amounts of carbon. Companies have to pay for the amount of
pollution that they produce; this cost encourages them to look for other ways of
production by polluting less. For example, Shell pumps waste carbon dioxide emissions into
greenhouses which grow fruit and vegetables. This has resulted in a reduction of 170,000
tonnes emissions as well as saving the greenhouses from burning gas in order to get the
Congestion charges are becoming an increasingly more popular
strategy to reducing pollution in city centres as well as cutting
down on congestion. The aim is to make people think twice
about driving into city centres and instead using alternatives such
as public transport. In London, drivers have been charged £8 a day
to drive into the central congestion zone, since 2003. The income
from the charge is then used to improve the public transport ­
since 2003 every London bus been renewed with less polluting
ones. There has been a 12% reduction in emissions of C02 from
within the zone and there is 60% less disruption from bus
The main way in order to reduce the
amount of carbon being released into
the atmosphere is to stop burning
fossils fuels and use alternative energy
sources, for example bio fuels, solar
power and hydroelectric power.
Another source of renewable energy is
wind power. The wind turns blades to
generate electrical energy, without

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Dan Grist
creating any CO2 emissions. Spain has over 400 wind farms with a total of other 12,000
turbines; this supplies Spain with 11.5% of its energy.
A US company in Brazil capture the methane from pigs, which farmers then use to generate
electricity. By preventing this methane from escaping, the company gets a carbon credit to
sell on the carbon market.
Global agreements are said to be a very effective way of putting across mitigation
strategies.…read more

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Dan Grist
and has led to over 50 local households installing solar thermal systems through the
scheme. This all proves that local governments also play a huge roll in mitigating emissions.
A mechanism suggested for tackling climate change and warming has been the idea of using
"Carbon Sinks" to soak up carbon dioxide. To aid in this, afforestation (planting new forests)
has been suggested. This is a popular strategy for the logging industry and nations with large
forests interests, such as Canada and the
USA.…read more


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