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Practice Reading: Reading Fill in the Blanks
ID: #33743
Fossil Fuels
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But look beyond fossil fuels for the most intriguing trends. One is that the energy intensity of the world economy -- the amount of energy it takes to produce one dollar's worth of -- keeps falling, at a rate of about 2 percent. What this means is that even without any change in the shares of fossil-based and fossil-free sources in the world's energy mix, we could have 2 percent annual economic growth without increasing carbon emissions from energy use. Of course that is not enough to climate change and we need more economic growth than that. It is a stunning number, which refutes the claim by some environmentalists that permanent economic growth is fundamentally incompatible finite physical resources.
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