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Although climate change remains controversial in political circles, scientists are finding more ways it's already affecting the planet.

Climate change: Five ways it's already affecting the planet

Climate change remains controversial, with a significant number of Americans saying it's exaggerated and many lawmakers disputing the science. At the same time, climate scientists are nearly unanimous and have found new evidence that it has already begun, with the past decade the warmest ever recorded for global temperatures.That's having effects that can be seen from the Arctic Circle to Africa, including melting permafrost, more pollen and fewer butterflies.Below, five notable ways climate change can already be seen.Melting permafrost In ...