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 - Plumes of smoke rise from Europe's largest lignite power plant in Belchatow, central Poland, Nov. 28, 2018.

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FILE - Motorists are stuck in traffic jam during a rush hour at the main business district in Jakarta, Indonesia, Dec. 11. 2018.

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FILE - A woman who scavenges recyclable materials from garbage for a living is seen through a cloud of smoke from burning trash, surrounded by Marabou storks who feed on the garbage, at the dump in the Dandora slum of Nairobi, Kenya, In this Wednesday, De

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FILE - Smoke billows from the chimneys at Lethabo Power Station, a coal-fired power station, in Vereeniging, South Africa, Dec. 5, 2018.