China is now the largest emitter of CO 2. on the planet, as it powers a large industrial base primarily through the use of coal-fired power plants. However, many of those goods are immediately shipped overseas, often to the US and EU, which generate and use power far more efficiently. A new paper, which will be published in the Proceedings of the National Academies of Science. , now takes a look at the impact of outsourcing these carbon emissions by tracking CO 2. based on a product's point of use. For some Western European economies, the result is enormous: anywhere from 20 to 50 percent of their emissions come in the form of imported goods. The calculation was performed by Stanford's Steven Davis and Ken Caldeira, who built a database of national energy production and tracked international trade of both raw materials (including fossil fuels) and finished goods. The most recent year for which all that data was available was 2004, which means the figures don't cover some of
Europe outsourcing CO2 emissions to developing economies
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