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Global Trends 2030 reinforces need for WaterProducer-Greenhouse™ Technology for #watersecurity and #foodsecurity

7/1/2013

1 Comment

 
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After 10 years of maintaining the infrastructure for the WaterProducer-Greenhouse™ project but with still no prospect of the first installation being funded and built, it is all too easy to become discouraged. Therefore, I was keen to see what the recently released Global Trends 2030, published by the National Intelligence Council (USA), would say that could be relevant to the project. I found this discussion on pages 93–94 of the report:

Water management will be critical to achieving
global food security because agriculture today
requires irrigation for 40 percent of its production
and consumes approximately 70 percent of global
freshwater supplies. Currently, agricultural irrigation
wastes about 60 percent of the water withdrawn from
freshwater sources.

Efficient water management will be required to sustain
a necessary increase in agricultural productivity.
Even though desalination technologies might be
economically feasible for household and industrial
water, such technologies are unlikely to produce
irrigation water from saline waters at a low enough
cost to be feasible for agricultural use. As water
scarcity increases, adopting technologies that increase
water-use efficiency will be the only option farmers
will have for confronting global water scarcity.
The array of such technologies includes precision
agriculture and GM drought-tolerant and salt-tolerant
crops as well as micro-irrigation systems and
hydroponic greenhouse technologies.


Efficient direct use of a 'new' source of water, the water vapour in the air, combined with commercial-scale hydroponic horticulture does appear to be a worthwhile technological option for tropical small islands.
1 Comment
Judy Romero link
31/12/2020 05:57:08

Great post, thanks

Reply



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    Roland Wahlgren is a Physical Geographer. He was scientific and technical consultant to the WaterProducer-Greenhouse™ Project while it was "live" as a CIDA-supported Viability Study during 2001-2003.

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