Thirty-seven foreigners of eight nationalities were killed by Islamist militants in a well-planned attack on a remote gas plant, some of them executed with a bullet to the head.
Algerian troops reportedly found the bodies of 25 hostages and captured five kidnappers at a remote gas plant after a bloodbath of captives that France called an "act of war" by Islamist militants.
An American hostage was confirmed dead Friday amid uncertainty over the fate of other foreigners held at an Algerian gas plant, with their captors demanding a prisoner swap and an end to French military action in Mali.
The United States was rocked Thursday by a new crisis spurred by Islamic militants amid a deadly hostage-taking in Algeria, prompting warnings to US interests in north Africa to boost security.
Western governments voiced alarm over the fate of dozens of foreigners seized by Islamists at a gas plant in the Algerian desert after several hostages were killed in a dramatic rescue operation.
China has resumed construction on a "fourth generation" nuclear power plant, suspended after the 2011 Fukushima disaster, which will be its biggest-ever nuclear facility.
Shares in Japanese power companies plunged Tuesday after a panel of experts said one of the nation's nuclear plants may sit over an active seismic fault, raising fears it would have to be scrapped.
Iran is set to be in focus at a UN atomic agency board meeting starting Thursday, not only because of ongoing suspicions of a covert weapons drive but also over safety concerns over its only operating nuclear power plant.
Steel giant ArcelorMittal warned the French government Friday that efforts to force it to sell all of its Florange plant, rather than just the parts it wants to close, threaten the company's presence in France.
French energy giant Alstom has begun suspending work on a 1.3-billion-euro ($1.67-billion) coal-fired electricity plant in Slovenia after failing to receive financing guarantees from the government.
Hurricane Sandy sent crippling floods pouring onto New York streets Monday, provoking a power plant explosion, blacking out much of Manhattan and leaving widespread storm devastation.
Protesters who forced a Chinese city to halt a new chemical plant massed outside government offices Monday in a wary response to their victory, which highlighted the country's growing environmental activism.