Trees are regarded as the lungs of the earth. That’s because they absorb and store carbon dioxide greenhouse gases as they grow. And that’s also why climate conservationists around the globe are calling for reforestation and replanting to replace lost areas of cleared forests. A new study carried out at the British University of Cambridge shows that these planting projects can be problematic. Forests planted close to river beds have led to a significant decline in river water levels. Those levels have not recovered over time. Rivers can even completely disappear within a decade.
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