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.
Urgency of Climate Talks Seen in Coal Plants, Garbage Dumps

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FILE - People who scavenge recyclable materials from garbage for a living walk near a mountain of garbage at the dump on the outskirts of Kabul, Afghanistan, Dec. 11, 2018.

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FILE - Discarded television sets are stacked up in an alleyway in an area known for storing electronic waste in New Delhi, India, Dec. 8, 2018.