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Once it was USA for Africa, now Ethiopia's expats are returning to be part of a striving new middle class.
Food demand, volatile commodities markets, population growth, and climate change aren’t going away, and they all imperil the supply of the world’s farmland. Land hunters could...
From the fight against polio to fixing education, what's missing is often good measurement and a commitment to follow the data. We can do better. We have the tools at hand.