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Factoring in these emissions, Indonesia had quickly become the world’s third-leading producer of carbon emissions that scientists believe are responsible for global warming, ranked after the United States and China, according to a study released in December by researchers from Wetlands International and Delft Hydraulics, both in the Netherlands.
“It was shocking and totally smashed all the good reasons we initially went into palm oil,” said Alex Kaat, a spokesman for Wetlands, a conservation group.
Biofuals, long a cornerstone of the quest for greener energy, may sometimes create more harmful emissions than fossil fuels, scientific studies are finding.
As a result, politicians in many countries are rethinking the billions of dollars in subsidies that have indiscriminately supported the spread of all of these supposedly eco-friendly fuels for vehicles and factories. The 2003 European Union Biofuels Directive, which demands that all member states aim to have 5.75 percent of transportation run by biofuel in 2010, is now under review.