The last post was written from the perspective of the marine organisms that require calcium carbonate to form their shells and skeletons, and the potential consequences of ocean acidification on their ability to survive the effects of climate change. The shelled creatures of the Earth have always fascinated me, including the snails, crabs, chitons and sea turtles, and the way they carry their houses on their backs wherever they go, like little mobile homes. For a long time now, the desire for a life that is compact, free and unencumbered has been calling to me, and this has inspired me to keep exploring new ways to simplify my life, and to pare down my material possessions to the bare minimum.

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