A Danish company’s plans to turn cow manure into renewable energy in Minnesota and Wisconsin’s dairy country have tanked, at least for now. Nature Energy planned to build several large-scale anaerobic ...

If natural gas was most often found naturally venting from the earth without capture, one might think there was something deeply wrong with an economy that failed to harness it. With a few ...

Families in rural Ethiopia are transforming their lives with clean energy. Supported by the World Bank’s Ci-Dev, biogas digesters replace firewood, cutting smoke and improving crop yields. Off-grid ...