The Heat is On; Climate Change  

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Jenis: Article from Bulletin/Magazine
Dalam koleksi: The Economist (http://search.proquest.com/) vol. 401 no. 8756 (Oct. 2011), page 89-90.
Topik: Uncertainty; Predictions; Emissions Control; Greenhouse Gases; International

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Perpustakaan Pusat (Semanggi) Nomor Panggil: EE29.68 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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For most of the Earth's history, the planet has been either very cold or very hot. Ice-core studies show that in some places dramatic changes happened remarkably swiftly. Then, 10,000 years ago, the wild fluctuations stopped. At about that time,, mankind started to progress. Man-made greenhouse gases now threaten this stability. Climate change is complicated and uncertain, but, the underlying calculation is fairly straightforward. The global average temperature is expected to increase by between 1.4 degrees C and 5.8 degrees C this century. The bottom end of the range would make life a little more comfortable for northern areas and a little less pleasant for southern ones. Anything much higher than that could lead to catastrophic rises in sea levels and increases in extreme weather events. A growing body of scientific evidence suggests that the risk of a climatic catastrophe is high enough for the world to spend a small proportion of its income trying to prevent one from happening. And the slice of global output that would have to be spent to control emissions is probably not huge.

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