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

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.

In the coastal village of Cariló, 200 miles from Buenos Aires, a house provides wide ocean views.

An apartment building in São Paulo engages with its neighbors, rather than turning its back on them.

The museum, housed within a historic grain silo, is dedicated to contemporary African art.