The biochar process is ingenious, turning green waste into heat before returning it to the soil as an agricultural nutrient. No wonder it’s turning a profit.

All those pictures of smog-cloaked Chinese cities mask the fact that China’s cheap solar panels have fueled the world’s green-energy revolution.

These days, fossil fuels look like a shakier investment than ever. As more investors decide the smart money is on clean energy, a tipping point appears near.

While other countries let corporate interests plunder their oil, Norway strong-armed the CEOs into giving its citizens a windfall.