In a century and a half, forests in the U.S. Midwest have lost the biomass accumulated over 8,000 years. Photo: Tony Webster Attribution 2.0 Generic (CC BY 2.0)

US Midwest forests have lost 8,000 years of stockpiled biomass

Since the end of the last ice age, forest growth in the west-central United States has contributed to the sequestration of 1.8 billion tons of organic carbon. The accumulated biomass has been destroyed in just 150 years

Re Soil Foundation