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2 results for “erosion”.

• What Soil Actually Is: The Thin Living Skin of Land
  Soil takes centuries to make, hosts a quarter of Earth's biodiversity, holds more carbon than the atmosphere and all plants combined, and grows almost everything you eat — yet most people have never thought about it. Here is the thin living skin of the planet, horizon by horizon.
• How Glaciers Carve the Land: U-Valleys, Moraines and Fjords
  A glacier is a river of ice — slow, heavy and relentless — and it reshapes mountains the way water does, just on a deeper timescale. Almost everything that makes alpine scenery look dramatic was sculpted by ice advancing and retreating.