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Livestock has even higher share in global warming than thought

The cattle came in 2011, eleven percent more methane than the UN-klimaatpanel had estimated. The studies on which the klimaatpanel based, used outdated data. That, say researchers from the U.s. department of Agriculture.

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The American researchers gathered for their research, which appeared in the journal Carbon Balance and Management, the most recent data for cattle and pigs by region. It turned out that the livestock in a lot of places in the world growing strongly. Also, larger animals need food, grown.

Especially in Asia, Latin America, and Africa is the methane emissions by the livestock increased sharply. In Europe, the US and Canada, went this emissions decline.

Climate deal Paris

The underestimation of the methaanuistoot is an additional problem for the climate policy and the implementation of the climate deal in Paris. Methane is a greenhouse gas more potent than CO2. It stays less long in the atmosphere means more solar radiation, so the earth is stronger can do to warm it up.

Since 2006, emissions of methane increased rapidly. It is good for sixteen percent of the total greenhouse gas emissions.

The methane emissions in cattle occurs mainly during digestion. The gas is released through belching and wind. Pigs are the largest source of methane emissions from manure storage.

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