You need a pretty big battery to drive an electric car for hundreds of miles a day. That's what participants in the 'Zero Emissions Race' did. The race began last August and ended today in a Swiss city that we want you to name…
For today's Geo Quiz, we head to the frozen north. We have heard a lot about the problem of melting ice as climate change warms up the Arctic. But scientists are also worried about something else that is melting up there — permafrost.
The World's Julia Kumari Drapkin reports on an effort to pick up the trash in Liberia: two Americans came up with the idea, after observing how uncollected garbage seemed to blight so much of the country's capital, Monrovia
The World's Quil Lawrence reports on a Palestinian town that's been left a no man's land by the Israeli security barrier, while pollution from the village is also forcing Israelis and Palestinians to work together to solve the problem.
BBC sports reporter Tom Fordyce put his own lungs on the line to sample the effects that air pollution could have on runners competing in the Beijing Olympics, and his 10-K run through the Chinese capital left him with a serious cough.
China imposed traffic restrictions for the duration of the Beijing Olympics and Paralympics to control pollution. Drivers are only allowed to use their cars every other day. It's been difficult for some.