Climate Change Environment Global Warming. Renewable Energy. Sustainability

Grass for gas? Researchers, businesses weigh options for sustainable aviation fuel

Air travel is a tough sector in the effort to reduce fossil fuel use. Sustainable aviation fuel can help, but producing enough may be a high bar.
Climate Change Global Warming.

Welcome to a new year on a warming planet, now with 8 billion people

Concern about overpopulation and climate change is widespread. An Arizona State University researcher outlines another solution.