Even before the crisis at Japan’s Fukushima Daiichi nuclear reactors has ended, nuclear industry experts from the U. S. are making plans to analyze and apply “lessons learned” from the accident triggered by an earthquake and tsunami. Already, they are beginning to battle a backlash against nuclear power that threatens a revival of the nuclear industry: At least one U.S. company is facing serious questions over the feasibility of its nuclear project, politicians want a temporary moratorium on nuclear power, and financial analysts are downgrading prospects for firms with nuclear interests. Worldwide, most countries are saying they will review their
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.