The Contribution of Trees to Our Lives
by Frederic Joignot
January 3, 2012
“Humans, with a mere 2 square metres of skin, underestimate the surface area of a tree. To calculate that you need to measure both sides of each leaf, add the surface of the trunk, the branches and boughs, the perennial and feeder roots and the absorbent root hairs, not forgetting the bark pockets. A 15-metre tree in leaf would cover a total area of 200 hectares, which is the size of Monaco. A tree doubles its weight when wet, and its entire surface breathes and allows us to breathe.”
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My autistic stepbrother, Jesse, was always telling me about my bones
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