Concrete Doesn’t Have to Be an Ecological Nightmare

Clockwise from upper left: the Pantheon in Rome; Boston City Hall; Saarinen’s TWA terminal at JFK airport; Zaha Hadid’s Sheikh Zayed Bridge in Dubai. Photo: Getty Images

Today, cooking one ton of cement yields nearly a ton of CO2, and concrete plants pump out nearly 8 percent of the world’s carbon emissions. Since an ever-growing population can’t wean itself from its primary building material, warding off climate change is going to require a cleaner way to make it.

Source: Concrete Doesn’t Have to Be an Ecological Nightmare