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Hundreds of environmental activists on Saturday called on industrialized nations at the U.N. climate summit in Egypt to pay for the impact of global warming, the largest demonstration yet that came as German officials raised concerns about possible surveillance and intimidation of delegates and other conference attendees.
From a distance, the endless landscape of solar panels stretching toward the horizon can easily be mistaken for crops nearing harvest. But here in the desert in southern Egypt, workers have been cultivating another precious commodity: electricity.