Health-care legislation remains front and center, as the White House works with Senate Majority Leader Harry Reid (D-Nev.) and House Speaker Nancy Pelosi (D-Calif.) to reconcile House and Senate versions of the bill. Union and nonunion groups are concerned about the direction in which the negotiations seem to be going. Unions don’t like the Senate bill’s tax on “Cadillac” health plans, and 10 union leaders met with President Obama on Jan. 11 to discuss their concerns. Those present included top officials of the International Brotherhood of Electrical Workers, Laborers’ International Union of North America and the AFL-CIO. Union leaders agreed
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.