Depletion of Aquifers.
If we have to deplete aquifers way beyond their recovery rate to grow food, are we beyond the carrying capacity of the Earth? With seven billion people on the planet we have reorganise the way we feed our people.
19/6/2015 08:59:31 am
That's an interesting question you pose just after NASA has just announced that one third of Earths large groundwater basins are in distress.
24/6/2015 05:04:18 am
On this topic of interest is a link about a solar desalination plant that is going ahead in California (which is currently under drought conditions):
26/6/2015 10:08:18 am
Hi Bob.Thanks for those leads, it was the NASA one that prompted my post. In many ways California is similar to Perth in Australia. Perth is putting in a system that uses wave power http://www.waterworld.com/articles/wwi/print/volume-28/issue-6/regional-spotlight-asia-pacific/wave-powered-desalination-riding-high-in-australia.html
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Bob Bingham Blog page.
A series of opinion pieces on, mostly climate change and related subjects to do with New Zealand.