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 Today, 80% of the world's electricity production comes from fossil and nuclear
fuels, and virtually
all transportation is fuelled by liquid petroleum
(gasoline). Lighting accounts for 20% of all energy
generated worldwide, 95% of
this energy is wasted. In the UK 35 Giga watts is needed by 2020,
this is around
half of the country’s current electricity generating capability. The current
government plan is to build more nuclear power plant. Nuclear is extremely
expensive and
hazardous, costing billions to build
and decommissioning costs are
enormous, a typical power
station will take a minimum of 20 years to build and
is largely uneconomic solution for the
impending global energy crisis.
Nuclear energy is being claimed by the UK government to be a carbon-free alternative, but
significant carbon-producing processes are involved in the mining of
uranium, in the construction
of power stations and in the disposal of waste.
Energy requirements for these processes depend
on high-grade uranium ore, which
is expected to be exhausted within 50 years. Lower quality
uranium then
available will lead to energy prices soaring in the future.
The World Energy Council projects primary energy demand will triple by 2050, as population grows
to 8-9 billion and developing nations elevate living standards. The energy
problem of the world has
arisen from the fact that human beings have thought
implicitly that the amount of minable energy
resources is infinite, though it is
beyond question that it is finite. In the twenty-first century,
human beings
will face the problem of the lack of fossil oil and natural gas that were widely
and conveniently used in the twentieth century. On
the other hand, human beings
have faced, are facing and will face environmental problems. These problems
include water pollution and food
shortage, but the biggest issue now in the
world is global warming. This problem is strongly linked to the energy problem.
In 2000, all renewable contributed only 13.8% of the world`s energy supply, the
outlook for 2010 is a reduction in all renewable to 12.9% and for
2020 to 12.3%
of total energy supply, in the reference scenario, assuming no new measures are
taken. Total energy consumption is forecast to
grow by 20% by 2020. In this
Present scenario which would be cost effective, where to increase electricity
generation up to 20% every year or
reduce energy consumption to save future. The
impact of the Global energy crisis is being felt across the board by consumers,
industrial and
institutional (schools, hospitals, local governments, etc) energy
users who are experiencing high natural gas and electricity prices. Regional
instability from major energy provider countries has contributed towards the
spiraling energy cost.
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