The restoration of the Gulf of Mexico is expected to get a boost as a result of an agreement between the Natural Resource Trustees for the Deepwater Horizon oil spill and BP. The agreement, announced on April 21, stipulates that BP will pay $1 billion for “early” restoration projects related to the Gulf spill. According to administration officials, BP is providing the restoration funds voluntarily. “This agreement accelerates our work on Gulf Coast restoration and in no way limits the ability of all the Natural Resource Trustees from seeking full damages from those who are responsible as the process moves
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.