| At first glance it's hard to imagine how
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| | global warming, which include for example
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| the proliferation of human activity upon
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| | the opening up of new shipping lanes in
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| the environment has been a major factor
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| | the artic as the ice recedes, new oil
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| in climate change given that climate
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| | drilling opportunities and longer harvest
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| change alone is nothing new. Over two
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| | periods in Canada and Russia.
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| million years the earth's history has
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| | It seems climate change is inevitable and
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| seen enormous changes. Indeed, in the
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| | the small economic ideas such as banning
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| last ten thousand years the warming and
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| | coal subsidies bear little fruit as a
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| cooling of the earth has been on a larger
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| | means of curbing the problem. More than
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| scale that what we see today.
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| | ever, political will must be demonstrated
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| The climate is however very changeable
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| | at first to show to industry and
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| these days. Getting the politics right
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| | populations that it is even an issue.
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| has been half the fight. Unfortunately,
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| | More importantly perhaps, the will of the
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| the right policy has been held at bay
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| | politicians must be met with achievable
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| partially by having the right knowledge
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| | methods from the technological and
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| of what's happening to the climate. The
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| | scientific community.
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| climate changes we see today are the
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| | Professor Socolow is leading the way with
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| result of only a century and a half of
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| | what he calls "stabilisation wedges". On
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| study, peanuts in comparison the huge
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| | a graph of climate change, the space
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| shifts over the earths history.
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| | between the trend line and the stability
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| The recent UN Climate Change Conference
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| | line is known as the "stabilisation
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| sought to put in place a policy to take
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| | triangle'. By dividing these triangles
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| over the Kyoto protocol. At its core were
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| | into wedges and assigning realistic goals
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| some recently publicised results:
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| | to each wedge the massive problem is
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| The warming trend on the earth's surface
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| | given a usable and effective solution.
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| has been taking place since the early
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| | The goals to assign to the wedges range
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| part of the twentieth century. The last
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| | from greater overall efficiencies, the
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| ten years have been the warmest of that
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| | decarbonisation of electricity, fuel
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| millennium.
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| | displacement by low carbon electricity,
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| There have been rapid signs of melting
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| | methane management, and natural carbon
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| the Arctic circle. The sea ice there has
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| | sinks. By further subdividing each wedge
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| fallen by around eight percent over
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| | into sub wedges, such as decarbonised
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| thirty years.
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| | electricity being subdivided into nuclear
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| The old inconsistency in the data between
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| | power, renewable energy, natural gas as
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| the temperature rise in the atmosphere
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| | an alternative to coal, and the storage
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| and on the planets surface seems to have
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| | of carbon dioxide - these problems are
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| levelled out. They appear to rise in
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| | confounded into what everyone has been
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| parallel.
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| | looking for. A short list of solutions
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| The Scripps Institute of Oceanography in
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| | that together will balance the problem.
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| California noted that the ocean has been
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| | It seems the technology for all this
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| warming at different depths for over 65
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| | exists. It is merely in need of
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| years. These results match the
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| | refinement. For example the management of
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| predictions that warming has been induced
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| | carbon dioxide from the burning of fossil
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| more by greenhouse gases that as a result
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| | fuels could be dealt with through further
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| of small changes in the suns heat output.
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| | carbon sequestration. A couple of power
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| There has been an observed and recorded
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| | plants already employ this particular
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| link between the sea surface temperature
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| | technique to good effect. The carbon
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| and the frequency and intensity of
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| | dioxide is extracted at the source and is
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| tropical storms, typhoons and hurricanes.
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| | injected into porous rocks deep
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| The existing computer models of the
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| | underground to prevent it escaping into
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| change in ocean currents, in particular
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| | the atmosphere.
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| in the North Atlantic, are correct.
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| | Steam reformation is another technique.
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| There are however still some unknowns.
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| | It is, in essence, a pre-emptive
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| For example the solar hypothesis is now
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| | technique that reacts the fuel used with
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| known to be a lesser contributor, the
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| | water to yield hydrogen. The hydrogen
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| miniscule changes in the suns heat output
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| | output is burnt to create electricity.
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| over its eleven year sunspot cycle is
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| | Of all the possibilities of reworking and
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| adding to the mix. Also, the aerosol
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| | inventing technologies, perhaps the best
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| emissions from sulphurous fuel promote
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| | idea is the oldest idea. Replanting
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| the formation of clouds, and as a
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| | programmes. The idea of photosynthesis to
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| consequence the sunlight reflected from
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| | combine carbon dioxide with water and
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| the earths surface increases, effectively
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| | sunlight is a relatively cheap and
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| opposing the greenhouse gas effect.
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| | exponential idea and would be hugely
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| Some even argue for the benefits of
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| | effective.
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