After the Fukushima nuclear disaster in Japan, the Swiss federal government adopted a gradualist approach toward transitioning the country toward renewable energy by 2050. Swiss voters cast ballots on Sunday on an initiative championed by environmentalists and nuclear foes that would, if passed, shutter by 2029 the last of Switzerland's five nuclear power plants that now generate 40 of the country's electricity. In the wake of Fukushima, the Swiss government announced the plan to gradually phase out nuclear power, once the plants were no longer viable on the advice of the businesses which run them and the Swiss nuclear watchdog. Image copyright Getty Images Image caption The referendum is the latest in a series to be held in Switzerland

The Beznau 1 plant is the world's oldest, dating back to 1969, while Muhleberg is close enough to the Swiss capital Berne for all its citizens to have iodine tablets in their bathroom cabinets.
In a referendum, Switzerland rejects a proposal to abolish commercial nuclear power by 2029.