Subsidence, or the lowering of the land surface due to the removal of material from underground, impacts 25 percent of the Planet's population. Photo: David Smith and licensed for reuse under this Creative Commons Licence CC BY-SA 2.0 DEED Attribution-ShareAlike 2.0 Generic

Land subsidence threatens 2 billion people

Subsidence, or the lowering of the land surface due to the removal of material from underground, impacts 25 percent of the Planet’s population, U.S. researchers have found

Re Soil Foundation