Cement built the modern world, but it also quietly helped heat the planet. As researchers race to cut emissions from ...

Ancient lava rubble on the seafloor can store huge amounts of carbon dioxide like a giant "sponge," a new study finds. Cores collected from beneath the southern Atlantic Ocean show that this rubble — ...

Kenyan fig trees can literally turn parts of themselves to stone, using microbes to convert internal crystals into limestone-like deposits that lock away carbon, sweeten surrounding soils, and still ...