I firmly believe that the engagement of the business sector in fighting climate change is crucial.
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A billion acres of farmland around the world have been abandoned and could now be used to grow biofuel crops, a new study suggests.One of the criticisms of biofuels such as ethanol from corn or rice is that the crops eat into land that could be used to grow food, which is increasingly in short supply globally, causing frustration and hunger that have led to protests and riots. The alternative of clearing forests to grow biofuel crops is unacceptable to many.
Yet somewhere between 1 billion and 1.2 billion acres of agricultural land is lying fallow, the study finds. That compares to about 3.8 billion acres that are currently in use. The researchers caution, however, that biofuels will be no magic bullet to resolving possible energy crises in the future.
"Our results showed that if you used all these abandoned agricultural lands, you might obtain up to 8 percent of current energy needs," said Elliott Campbell, a postdoctoral fellow in biology at Stanford University and lead author of the report. "So this result is basically showing us that biofuels could be a meaningful, but a small portion of our total energy future."
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