The writer is a science commentator
Houston, as the saying nearly goes, has a problem. The city is one of 25 American metropolises to be officially sinking, according to a new study using measurements from space.
The issue of subsidence affects not only coastal regions, where sea levels are rising due to climate change, but inland settlements too. Groundwater extraction hollows out the sediment beneath the surface, while urban development piles on the weight above. The net effect is a slow slump into the ground.
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