Japan on Monday started work on an underground ice wall at the crippled Fukushima nuclear plant, freezing the soil under broken reactors to slow the build-up of radioactive water, officials said.
The operator of Japan's crippled Fukushima nuclear plant said Tuesday it had again suspended a trouble-plagued system used to clean radiation-tainted water.
Government radiation monitoring in areas near Japan's crippled Fukushima nuclear plant is unreliable, Greenpeace charged on Tuesday, with heavily populated areas exposed to 13 times the legal limit.
Genetic mutations have been found in three generations of butterflies from near Japan's crippled Fukushima nuclear plant, scientists said Tuesday, raising fears radiation could affect other species.