"The recent controversy with cot deaths has taught us that we should be aware of relying on science which may turn out to be wrong, " she says.

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So what can be done, given that we should already be aware of climate change after all these years, if we really want to move beyond Earth Hour symbolism?

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What other companies or tech start-ups should we be aware of for 2011?

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But should we all be more aware of the dangers?

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Look, first of all, you should be aware that we have increased SBA loans during the course of this year by 70 percent in some cases.

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''All members should be aware that how the people of Scotland perceive the Parliament and how we relate with them is in our hands and that we should use that responsibility wisely, '' he said.

BBC: Photo of Scottish flag