After a decade in the works, researchers at University of California, Los Angeles, have successfully devised a way to produce cement with 98% less CO2 emissions than traditional methods. The UCLA team ...

Smoke first billowed from the stone bulwark of Grey Cloud Lime Kiln at least a dozen years before there was a state called Minnesota, when the wail of steamboat whistles echoed off the nearby ...

The ZeroCAL approach, which can be integrated within the existing cement-production process, uses limestone feedstock to produce calcium hydroxide — which emits no carbon dioxide when burned to ...