Video: Are China's ghost cities a bubble waiting to burst?

While the movement to preserve historic buildings has widespread support, it also has some sharp critics with well-funded opposition groups springing up in recent years. Some opponents are linked to the Stand Together Foundation, founded and bankrolled by the Koch family’s conservative philanthropic organization, according to a column in Governing magazine.

The U.S. General Services Administration (GSA), in collaboration with the U.S. Department of Energy, recently released a new Request For Information (RFI) focused on enabling energy efficiency and decarbonization in commercial buildings. GSA wants to test innovative technologies through GSA’s Center for Emerging Building Technologies.

When complete, the 60-story Paramount building, at 750 feet high, will be the tallest high rise tower in Nashville, Tenn., surpassing the city’s current record holder, the 617-foot AT&T Building. The $390 million Paramount project recently launched condo sales after securing more than $230 million in construction financing.

New York City is installing its first large-scale porous pavement installation along seven miles of roadway in Brooklyn. The project will keep 35 million gallons of stormwater out of the combined sewer system each year, according to a news release.