John Gray

The Earth Exhales

The Vanishing Face of Gaia

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Allen Lane/The Penguin Press 192pp £20 order from our bookshop

He Knew He Was Right: The Irrepressible Life of James Lovelock and Gaia

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Allen Lane/The Penguin Press 356pp £20 order from our bookshop

Unlike the big climate shifts of the geological past the one that is presently under way is a result of human activity. Despite a determined rearguard action by so-called sceptical environmentalists, there is no reasonable doubt that greenhouse gases released by industrialisation, together with the destruction of forest for farming and more recently bio-fuels, are at the back of global warming today. Possibly cosmic factors may also be at work – sunspot cycles, or whatever. But a mass of scientific evidence points to humanly produced carbon emissions over the past couple of hundred years as being the primary cause of the current process of global warming.

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