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Hunger has wracked humanity since time immemorial.Since 1992, the number of hungry people worldwide has plummeted by more than 200 million, even as the human population grew by nearly 2 billion.According to research conducted for Copenhagen Consensus, which I direct, investing an extra $88 billion in agricultural R&D over the next 15 years would increase yields by an additional 0.4 percentage points each year, which could save 79 million people from hunger and prevent 5 million cases of child malnourishment.Another way to increase agricultural productivity is through labor.Investing around $9,000 per worker over two decades could boost agricultural productivity by 10 percent.Humanity's fight against hunger can be won. Great progress has been made, but the world needs more agricultural R&D and higher productivity.
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