Most Commented Stories Tagged: pollution

Conflict & Justice

Rethinking biofuels in Europe

Biofuels have been touted as the best hope for reducing reliance on fossil fuels and limiting greenhouse gases. Now many scientists are raising doubts about that. Reporter Kathleen Schalch examines the debate over the costs and benefits of biofuels.

Global Politics

Europe's high speed rail

President Obama's stimulus plan includes billions to help jump-start a new network of high-speed trains. But the future of rail is already a reality in other parts of the world, including Japan, China and as Kathleen Schalch reports, the European Union.

Arts, Culture & Media

Science Forum: Urban Raptors

Birds of prey are thriving in places like New York, London, and Berlin. We talk to Canadian wildlife biologist David Bird, our guest in the latest World Science Forum, about the surprisingly good raptor habitat to be found in some major cities.

Global Politics

Gulf recovery hits language barrier

Vietnamese-American fishermen want to be involved in the Gulf Coast recovery effort. But BP and Coast Guard officials are finding out that interpreters are few and far between and some information isn't easy to translate. Julia Kumari Drapkin explains.