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p. 222. Global warming

a lot of hot air?locked

  • Bill McGuire

Abstract

‘Global warming’ explains that the Earth is now warmer than it has been for over 90 per cent of its 4.6 billion year history and is heating up faster than at any time in the last 11,500 years. In 2013, atmospheric concentrations of carbon dioxide exceeded 400ppm, the highest level for at least 15 million years. The 2013 IPCC 5th Assessment Report forecasts that global average temperatures could be 5°C higher and sea levels 1m higher by 2100. No one can escape the effects of anthropogenic climate change, but unless there is a widespread adoption of sustainable development, urgent action to seriously tackle climate change may only happen if there is an Earth-shattering climate catastrophe that no one can ignore.

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