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Books > Social sciences > Sociology, social studies > Social issues > Social impact of disasters > Famine
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Outgrowing the Earth - The Food Security Challenge in an Age of Falling Water Tables and Rising Temperatures (Paperback)
Loot Price: R806
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Outgrowing the Earth - The Food Security Challenge in an Age of Falling Water Tables and Rising Temperatures (Paperback)
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Historically, food security was the responsibility of ministries of
agriculture but today that has changed: decisions made in
ministries of energy may instead have the greatest effect on the
food situation. Recent research reporting that a one degree Celsius
rise in temperature can reduce grain yields by 10 per cent means
that energy policy is now directly affecting crop production.
Agriculture is a water-intensive activity and, while public
attention has focused on oil depletion, it is aquifer depletion
that poses the more serious threat. There are substitutes for oil,
but none for water and the link between our fossil fuel addiction,
climate change and food security is now clear. While population
growth has slowed over the past three decades, we are still adding
76 million people per year. In a world where the historical rise in
land productivity has slowed by half since 1990, eradicating hunger
may depend as much on family planners as on farmers. The bottom
line is that future food security depends not only on efforts
within agriculture but also on energy policies that stabilize
climate, a worldwide effort to raise water productivity, the
evolution of land-efficient transport systems, and population
policies that seek a humane balance between population and food.
Outgrowing the Earth advances our thinking on food security issues
that the world will be wrestling with for years to come.
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