Life in deep Earth totals 15 to 23 billion tons of carbon—hundreds of times more than humans
Monday, December 10, 2018 - 10:20
in Earth & Climate
Barely living "zombie" bacteria and other forms of life constitute an immense amount of carbon deep within Earth's subsurface—245 to 385 times greater than the carbon mass of all humans on the surface, according to scientists nearing the end of a 10-year international collaboration to reveal Earth's innermost secrets.