Weekly Photo Challenge: Change

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Glacier calving – Alaska

For this challenge I have chosen a picture that captures an action, as action represents change most fundamentally. However at a more philosophical level, the significance of this particular picture is that it shows water in all its three states – solid, liquid and gas. Water, and its change between these three states, is arguably one of the most powerful agents of change on earth. From basic changes through erosion, to the more derivative changes brought about by its support for life and therefore all change wrought by life. Included in this list is the fact that water (as vapour) is the single strongest direct agent for climate change and also the means by which man powered its industrial revolution (via steam) – ┬átherefore enabling modern man’s impact on the earth and its climate.

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