By Will Atwater Key takeaways: “Displace fossil fuels. Grow more trees. Fight climate change.” That’s the pitch on the website of Enviva, the world’s largest producer of industrial wood pellets largely used as fuel for power generation. Smithfield Foods, the world’s largest pork producer, says on its website that its projects capture methane from hog […] The post ‘Clean’ energy, local costs: Advocates challenge bioenergy’s climate claims appeared first on North Carolina Health News.