Environment

We've all heard of wind and solar power, but what about things like piezoelectricity or carbon capture? Researchers are always looking for new clean solutions in the hope that one or other of them will go mainstream.   

What will climate-friendly traffic look like in the future? Social scientist Andreas Knie believes that people won't own cars, will fly much less and use electric public transportation.    

The people of the Mexican state of Oaxaca earn their living making pulque, a traditional drink made with Agave. But the beverage, considered sacred, is under threat. Ecotourism is part of the solution to save it.   

Cocoa farming is the first step in making the world's most popular sweet treat: chocolate. But in one top cocoa producing nation, yields have been plummeting for years. What can be done to boost production in Ghana?