Energy, Irrigation and Water Supply
It has been scarcely 200 years--the dawn of the industrial revolution--since humans abandoned sole reliance on firewood, other biomass fuels, and direct sunlight to meet daily energy needs. In the past half century, global demand for energy grew twice as fast as population, as industrial nations burned coal, oil, and natural gas to fuel their economies. Over the next half-century, world energy demands are projected to continue expanding beyond population growth, as developing countries try to catch up with industrial nations. Developing countries will see tremendous growth in energy consumption in the next half-century, as growing populations and increasing affluence combine to drive their energy demands to dizzying levels. Based on projections from the U.S. Department of Energy and the Intergovernmental Panel on climate change, total energy consumption in the developing world will grow by 336 percent--nearly three times faster than population--over the next 50 years, from 3,499 million tons of oil equivalent to 15,255 million tons. By 2030, energy consumption in the developing world will likely surpass usage in industrial nations.
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