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Before I flew I was already aware how small and vulnerable our planet is; but only when I saw it from space, in all its ineffable beauty and fragility, did I realize that humankind’s most urgent task is to cherish and preserve it for future generations. (German Cosmonaut Sigmund Jahn, as cited in Hassard & Weisberg, 1999, p. 40)
The feeling of unity is not simply an observation. With it comes a strong sense of compassion and concern for the state of our planet and the effect humans are having on it.…”