In the past few decades, the European Union has transformed its energy system. In 2005 about 10 percent of all energy consumed in the EU came from renewable sources. Last year that share hit 22 percent—it’s one of the main reasons the bloc’s per capita carbon emissions have rapidly declined in the 21st century. This shift will need to ramp up even further if the EU is to hit its target of net-zero emissions by 2050.
But here’s the weird thing. A huge chunk of that renewable energy comes from burning wood. Nearly 60 percent of all the EU’s renewable energy comes
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