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A warming climate is likely to mean rising rainfall totals in part of the world — which could lead to flooding. But scientists in the United Kingdom are hoping to ameliorate that somewhat, by producing a new kind of grass that helps the soil absorb more water.
Mexico City’s water system is fragile, because the growth of the population has put a heavy burden on the underground aquifer that feeds the city. So some entrepreneurs have devised a system to collect and store rain water, to keep houses supplied.
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