In this Monday, Dec. 10, 2018 photo toxic froth from industrial pollution floats on Bellundur Lake in Bangalore, India. As politicians haggle at a U.N. climate conference in Poland over ways to limit global warming, the industries and machines powering our modern world keep spewing their pollution into the air and water. The fossil fuels extracted from beneath the earth's crust _ coal, oil and gas _ are transformed into the carbon dioxide that is now heating the earth faster than scientists had expected even a few years ago. (AP Photo/Aijaz Rahi)
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