Many environmental issues will affect our food choices over the next few years. These include greenhouse gases associated with
production of various foods as well as the carbon
costs associated with their processing, packaging,
transport and storage. As most people are aware,
scarce water resources will also dictate many
aspects of food, and soil health will command much
more attention.
Australia has a special problem in that our soils
are low in phosphorus. World stocks of the
phosphate fertilisers we have relied on in the past
are running short and are expected to run out
within the next 25 to 50 years. Research at the
UTS Institute for Sustainable Futures warns that
phosphorus use and recovery in different forms of
agriculture may become our most urgent problem...
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