Not just because of global warming, but also because our resources are finite, and we need to move toward sustainable communities.

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Investing billions in clean energy will not only fight global warming, but it also will create millions of jobs.

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For energy holds out not just the perils of a warming climate, but also the promise of a more peaceful and prosperous tomorrow.

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Not only does growing this counter-act global warming, but the engines also pump out two thirds less greenhouse gases.

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Banks and insurance companies worry that global warming increases the risk of catastrophes, but also spot an opportunity.

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But the Antarctic Peninsula is also one of the most rapidly warming regions on the planet, and as a result, has attracted close study by climate scientists.

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Most scientists, at this point, seem to agree that the incidence of powerful storms is increasing, but also that no one incident can be said to be caused by man-made global warming.

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But many people worry that global warming will bring a further increase in the number, and also the geographical distribution, of hurricanes.

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"The collapse of Antarctic ice shelves is largely thought to be caused by warming of the atmosphere, but it appears that changes in sea temperature and ice-shelf structure are also important, " said Prof Glasser.

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