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.
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.
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.
The oil spill in the Gulf of Mexico has prompted Canada to re-examine its own deep sea oil drilling regulations and how it could prevent and respond to similar spills. Derek Stoffel reports from Toronto.
The US and five other world powers met today at the UN to push for an ï¿½early negotiated solutionï¿½ to the nuclear standoff with Iran. Anchor Lisa Mullins finds out more from Washington Post correspondent Colum Lynch, who's at the UN.