Little girls run through a field of giant tecolote ranunculus flowers at Flower Fields in Carlsbad, Calif., on April 27. The flowers attract thousands of visitors each year during their six to eight week bloom period.
Women line up to cast their vote during gubernatorial elections in Kaduna, Nigeria. Two states in Nigeria's Muslim north voted for candidates after their polls were delayed by violence that killed at least 500 last week after the oil-rich nation's presidential election.
Emperor Akihito: The deeply respected royal couple visited a school gymnasium where 200 people live in the town of Minami-Sanriku, 250 miles northeast of Tokyo.
Fukushima is a Level 7 accident – the same rating given the Chernobyl fire and explosion 25 years ago. Still, Chernobyl remains the worst nuclear accident in history.
A widow holds a portrait of her husband during a ceremony to honor the victims of the Chernobyl accident, held in Kiev, Ukraine, on April 26. Ukraine marked the 25th anniversary of the world's worst nuclear accident at its Chernobyl power plant as Japan pressed on with efforts to control the crisis at its Fukushima plant.
In one town devastated by the tsunami, some 400 temporary housing units and a soy sauce business offer hope. But some 4,000 more units are needed.
Following the disasters in Japan, the Japanese automaker Toyota won't resume normal production until November or December
More than a month after a devastating earthquake and tsunami sparked Japan's worst nuclear crisis, Japan has made it illegal to come within 12 miles of the Fukushima Daiichi nuclear power plant.
The authority to license nuclear power plants has rested squarely with the federal government since 1983 – but if Vermont prevails in federal court, that power could shift to the states.
In one year, energy disasters in the Gulf and at Fukushima point to the challenge of human control over complex technology.