Sentiment against the Environmental Protection Agency is running high among Republicans in the House of Representatives, where GOP legislators have pushed to pass or introduced measures that would restrict EPA's ability to move forward with key water and air regulations.Environmental advocates have cried foul, but construction industry officials say many of the EPA rules could stall construction projects. They also say the Republicans are merely responding to businesses' legitimate worries.Steve Hall, the American Council of Engineering Cos. vice president of government affairs, says, “I think Congress is sensitive to [business] concerns. [Business] affects the economy; it affects jobs.” But Hall
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.