Green energy sources now account for 20 percent of Germany's electricity production – a new high. Germany aims to be 35 percent green by 2020, and to have phased out nuclear power by 2022.
A presidential blue ribbon commission says the US government 'has not inspired confidence' and recommends that a new agency take over the search for storage sites for nuclear waste.
Nuclear Regulatory Commission still insists that US nuclear plants with same design as Japan's stricken Fukushima Daiichi facility are safe. But watchdog groups cite failed venting system, which led to hydrogen explosions.
Radiation exposure: Adding to the monumental losses after a Japanese earthquake and tsunami, problems at four nuclear reactors have residents near and far concerned about radiation exposure.
Scientists warn of risks from spent-fuel cooling pools and plutonium-rich, mixed-oxide fuel inside one nuclear reactor, even as the No. 1 and No. 3 reactors appear to be coming under control.
The Bush administration agreed to store nuclear waste from 21 new reactors. But the federal government still can't meet its commitment to find permanent storage.