by Bill Allan, Katja Riedel, Richard McKenzie, Sylvia Nichol and Tom Clarkson
It’s the air we breathe, it protects us from the sun, and it controls the earth’s temperature. The atmosphere makes life possible, but human activities have tipped the balance towards pollution, global warming and depleted ozone – burning issues for New Zealanders.
Main image: The sun’s ultraviolet radiation
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