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Published online 19 September 2007 | Nature 449, 273 (2007) | doi:10.1038/449273b
News in Brief: Business
Market watch
The price of the right to emit a tonne of carbon has floated lazily around the €20 (US$28) mark this summer. But one announcement did create a bit of a buzz at the five European carbon exchanges that trade the right to emit, including the European Energy Exchange in Leipzig, Germany (above).
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