A number of innovators are working to clean up the world’s leading building material by pumping it full of CO₂.

A three-pronged house nestled in the woods of central Mexico pays reverence to its natural surroundings.

A concrete-and-glass dwelling in Mexico City is immersed within an abundantly vegetated site, blurring the connection between inside and out.

The cantilevered volumes of a seaside house in Mallorca, Spain, offer expansive views of the Mediterranean.

A three-story house in Austin, Texas, optimizes outdoor space and sweeping panorama views.