Polar ice loss cause still unclear

Climate News Network: Here is a non-conclusion: after nine years of close observation, researchers still cannot be sure whether the planet is losing its ice caps at an accelerating rate. That is because the run of data from one satellite is still not long enough to answer the big question: are Greenland and Antarctica melting because of global warming, or just blowing hot before blowing cold again in some long-term natural cycle? The question is a serious one. If the loss of ice that seems to be happening now is......

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