An ocean that is starved of iron is like a garden without fertiliser: there will be no photosynthesis and no phytoplankton blooms. And whether phytoplankton blooms or not could have an impact on the earth's future.

Skimming across the earth's anaemic oceans

Off Track, with Ann Jones, is an Australian radio show and podcast which combines the relaxing sounds of nature with awesome stories of wildlife and environmental science, all recorded in the outdoors.

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Skimming across the earth's anaemic oceans

Skimming across the earth's anaemic oceans