"The debate over making post-Fukushima Daichi improvements to American reactors is getting down into the details, and one focus is pressure relief vents."

"Lakes across eastern Japan are being contaminated with radioactive cesium from the crippled Fukushima No. 1 nuclear power plant, and scientists are warning of a growing problem in Tokyo Bay.

Radioactive mud carried down rivers is slowly accumulating in the lakes, in some cases making fish and shellfish dangerous to eat.

"LOS ANGELES - The future of the troubled San Onofre nuclear power plant could balance on an inescapable question: Is it worth the money to fix it?"

"TOKYO — The nuclear accident at Fukushima was a man-made disaster rooted in government-industry collusion and the worst conformist conventions of Japanese culture, a high-level parliamentary inquiry concluded on Thursday, in a report that also warned that the plant may not have stood up to earthquake damage — a worrying concern as the quake-prone country starts to bring its reactor fleet back online."

"TOKYO -- Protesters thronged the wide streets in front of the prime minister’s office in Tokyo over the weekend, and across the country they gathered about a quarter-mile from the entrance of a nuclear plant. They shouted “No to the restart” and parked cars in front of the plant’s access road to block workers from coming or going, according to Japanese media."

"Two prominent seismologists said on Tuesday that Japan is ignoring the safety lessons of last year's Fukushima crisis and warned against restarting two reactors next month."

"Japanese authorities failed to disclose U.S. data about the spread of radiation spewing from a crippled nuclear plant last year, a cabinet minister said on Tuesday, leaving some evacuees fleeing in the same direction as the radioactive emissions."

"Faulty computer modeling caused the equipment problems that are expected to keep the San Onofre nuclear plant dark through the summer, federal regulators said Monday."

"Japan approved on Monday incentives for renewable energy that could unleash billions of dollars in clean-energy investment and help the world's third-biggest economy shift away from a reliance on nuclear power after the Fukushima disaster."

"The Federal Communications Commission is seeking to study whether it needs better guidelines to protect people from cellphone radiation, a question it hasn't posed in 15 years."