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Title
Bird on a branch near a smoking chimney producing greenhouse gasses #127384133
Description
A bird is resting on a tree branch while at the background is visible the smoke of water vapour and carbon dioxide & x28;CO2& x29; released from a chimney of a power station. Power stations are great CO2 producers, contributing to the global warming due to the greenhouse effect. Coal plants produce other pollutants as well, such as nitrogen oxides & x28;NOx& x29; and sulfur dioxide & x28;SO2& x29;, which are harmful for the human health.