Uploaded December 2020 | Updated September 2026, 1 week ago

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Geographer Anson Mackay on the freshwater resources, planetary boundaries and lake Urmia.

Read the full text on our website: serious-science.org/when-will-we-run-out-of-fresh-water-10417

'The problem with fresh water is that it's unevenly distributed around the world. Some places are rich in the resource and they'll never run out, whereas in other places the resource is very limited and that is where the problems can arise.'

Anson Mackay, Professor of Geography, University College London

Water Security: serious-science.org/water-security-10123
Glaciology: serious-science.org/glaciology-10043

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