Fission power must remain a crucial part of the energy mix until renewable energy technologies can be scaled up, argues Charles D. Ferguson.

How a handful of operators at a crippled reactor averted a greater catastrophe at the Fukushima plant.

Scientists struggle to calculate long-term effects of low-dose exposures in Fukushima.

A critical report has fuelled arguments about the benefits of energy efficiency. (Editorial)

Some legitimate questions have been raised over the green credentials of wind turbines. Politics must not block research where it is needed. (Editorial)

Is a vast undersea grid bringing wind-generated electricity from the North Sea to Europe a feasible proposition or an overpriced fantasy?

The Indian government has barred a group of nuclear scientists from meeting in New Delhi, where they planned to challenge key elements of the nation's nuclear programme, Nature has learned.

Europe says it is embarking on an unprecedented overhaul of its electricity system. But it must do more to convince the private sector that it is serious. (Editorial)

When Canadian-born movie director James Cameron visited his home country's tar-sands mining operation this September, he concluded:

The US Department of Energy has launched an 'artificial photosynthesis' initiative with the ambitious goal of developing, scaling up and ultimately commercializing technologies that directly convert sunlight into hydrogen and other fuels.