The world appears to be in the midst of transitioning from one of relative surplus to one of scarcity. For many countries in the coming 15-20 years, "[a]ccess to relatively secure and clean energy sources and management of chronic food and water shortages will assume increasing importance." While such longer-term forecast reports focus on the not-so-distant future, signs of scarcity in important resources like water, energy and food, are already manifesting:
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