Construction of what will be the first large-scale commercial carbon capture and storage project in the world began just hours after the Saskatchewan government gave SaskPower the go-ahead on April 26 to build the $1.24-billion plant. The project, at SaskPower's Boundary Dam coal plant, is notable not only for its size but also because it is moving forward at a time when other CCS projects are not because of CCS's high cost. Photo:Courtesy Of SaskPower SaskPower started work last month on the $1.24-billion job at its Boundary Dam coal plant. Mike Monea, a vice president of Sask- Power responsible for
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.