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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"Anyone intent on causing trouble in Warwickshire should be aware that we will deal with them robustly, " he added.

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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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"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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"Those people should be aware that we are monitoring these sites in Humberside and we will take action against those intent on attempting to incite violence or post messages of a racial nature, " police warned.

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You should also be aware that we intend to offer significant retention packages to your engineers, key leaders and employees across all disciplines.

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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