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Scientists Find Precipitation, Global Warming Link

Scientists at Lawrence Livermore National Laboratory in California report that changes in precipitation over the world's land and oceans can not be explained by natural variability alone and are directly affected by human activities.In a new study, Kate Marvel and Celine Bonfils compared climate model predictions with weather data observed over more than three decades. They note that higher global temperatures increase humidity, which makes wet areas wetter and dry ones dryer. And,...

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