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The Earth’s oceans used to be green — and could one day turn purple, scientists say – Live Science

  1. The Earth’s oceans used to be green — and could one day turn purple, scientists say  Live Science
  2. Earth was once a “Green Marble” before its oceans turned blue  Earth.com
  3. Earth’s Oceans Were Once Green, Says Study of Volcanic Waters  ScienceAlert
  4. ‘Green, red, even purple’: The true colors of Earth’s past and future oceans  Business Today
  5. Earth’s ocean might turn PURPLE one day – and scientists say it used to be a totally different colour too  The Sun