THIS past summer, the Group of 7 nations promised “urgent and concrete action” to limit climate change. What actions exactly? Activists hope for answers from the coming United Nations climat... Read more
IN April, Gov. Jerry Brown made headlines by signing into law an ambitious mandate that requires California to obtain one-third of its electricity from renewable energy sources like sunlight... Read more
A cunning plan to store energy underwater may help fulfil the promise of wind power THE problem with wind power is that is cannot always be relied upon. The wind—and other transient, environ... Read more