The Pentagon has made it clear that its "Buy American" policy will be in effect for solar panels — which means Chinese-made solar panels are no longer acceptable for US military installation in the US and abroad.
Japan's prime minister has unveiled a plan to restart the country's nuclear energy program almost three years after the Fukushima disaster. But given the country's deep divide over nuclear power, the plan is short of specifics and retains a commitment to developing renewable energy sources.
Ethanol has largely fizzled here in the US. But in Brazil, people have been driving their cars for years powered only by sugarcane ethanol. In recent years though, ethanol in Brazil has hit a speed bump.
The nuclear accident at the Fukushima Daiichi power plant is considered the second worst nuclear disaster in history. Science journalist, Geoff Brumfiel has been writing about the Fukushima disaster for Nature magazine. He spoke with Marco Werman.
The World's Rhitu Chatterjee reports on some of the obstacles to India's ambitious plans for nuclear power. There are concerns within India about liability in the case of accidents and land takings to build the plants.
A daring operation took place this week through one of the most dangerous parts of Afghanistan. Thousands of international troops worked together to deliver a massive hydroelectric turbine to a site in southern Afghanistan.
Anchor Marco Werman interviews Nigerian afrobeat musician Femi Kuti, son of the late pioneer of the genre Fela Kuti, and gets him to answer the questions he himself poses on his new CD about progress in Africa.
In the aftermath of January's devastating earthquake there's a lot of talk about finally getting things right in Haiti, a sense that the opportunity to rebuild means the opportunity to fix what's been wrong. The World's Jeb Sharp reports.
Fewer trees were cut down in the Amazon rainforest this past year. Climate scientists say Brazil has done well, but deforestation is more than one nation's problem. Marco Werman talks with Dr William Laurance of the Smithsonian Institution.