The design-build contractor for the $465-million Cleveland Medical Mart and Convention Center—which includes a 767,000-sq-ft replacement of Cleveland's underground convention center—says it is on course to complete its $355-million contract on budget and two months ahead of its scheduled Sept. 15, 2013, completion. The expected early finish is made possible, in part, by the use of a hybrid delivery system that merges bridging design-build with early participation of the design-build contractor and its major subcontractors in a design-assist mode. Related Links: Cleveland Medical Mart and Convention Center Cleveland Medical Mart and Convention Center Northeast Ohio The team also credits collaborative

Engineers and environmentalists around the world are keeping an eye on Decatur, Ill., where the Midwest Geological Sequestration Consortium (MGSC) has begun injecting dense-phase carbon dioxide into a porous rock layer more than a mile below the earth's surface. The methodology could provide a means for point sources of CO2 throughout the 60,000-sq-mile Illinois Basin, including more than 100 fossil-fuel-burning powerplants, to improve their environmental friendliness, given concerns about the contributions of CO2 emissions to global climate change. But the project will take an even more interesting turn in a little more than a year, when crews complete a second