The African Union's Agenda 2063 initiative focuses on large-scale infrastructure development and aims to connect the continent through rail, road, sea, and air transportation.

Donald Trump plans to launch competition to design "Freedom Cities" on federal land.

Elon Musk has purchased thousands of acres of land near Austin for a ‘Texas utopia along the Colorado River’. The town named Snailbrook will provide cheap housing for employees along with a pool, gym and recreational areas. The best part: The billionaire can set his own regulations.

The bright-orange Smart Bin with “Compost” emblazoned on the front and illustrations of banana peels, coffee filters, and wilted flowers on the side.

A high-speed robotics system from AMP Robotics picks out recyclables on a conveyor belt in a Waste Connections recycling facility. Photo courtesy of AMP Robotics

Will they be able to scale enough to make a dent in emissions?

It is rare for a state department of transportation to propose solving a traffic problem with anything other than a highway widening. It is even rarer for it to suggest a gondola.

Building homes with a 3D printer is quieter, cleaner and more efficient, than conventional construction sites.

On the multifamily front, high costs and a greater concern for the environment are spurring efforts to cut construction time and expense while increasing sustainability.

Commercial window washing is still handled primarily by humans on scarily high perches, but now — thanks to a handful of startups — robots are poised to disrupt the industry.

Ever walk by a building and wonder: What’s up with that? For curious people, the question runs deeper than the name or address or type of building.

Big Tech is throwing money at one of the trickiest climate problems to solve: cleaning up carbon dioxide emissions from making concrete.