As the Gulf oil-spill disaster worsens, there appears to be growing support in the Senate for a slimmed-down energy bill that would hold BP accountable and may also include many elements of a measure the Energy and Natural and Resources Committee cleared last summer, industry sources say. House Democrats also are working on oil-spill legislation but appear to be leaning toward taking up a series of targeted bills, not a big package. KERRY In the Senate, a key question is whether energy legislation will include climate-change provisions. Sens. John Kerry (D-Mass.) and Joseph Lieberman (I-Conn.) proposed a measure in May
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.