Another reason we are here.

New Zealand is becoming a "lifeboat island" for environmental refugees, fleeing climate change that they fear will make the larger land masses of the Northern Hemisphere barren and uninhabitable.

One of the world's most distinguished environmentalists, Professor James Lovelock, says in his new book, The Vanishing Face of Gaia, that New Zealand could be one of the world's last havens as global warming fundamentally changes the planet.

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