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Climate change

A nasty surprise in the greenhouse

The Kyoto Protocol aims to reduce emissions of greenhouse gases such as methane. But it seems that the fall in human-induced methane emissions in the 1990s was only transitory, and atmospheric methane might rise again.

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Figure 1: Methane hotspots.
Figure 2: Meridional slide.


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Lelieveld, J. A nasty surprise in the greenhouse. Nature 443, 405–406 (2006).

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