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smog – n. fog or fog combined with smoke and other pollutants
garbage – n. wasted food and other refuse
kids – n. children
infrastructure – n. the basic equipment and structures that are needed for a country or area to operate
source – n. a person place or thing from which something comes
ward – n. a separate room or area in a hospital
capacity – n. the largest amount or number that can be held or contained
awareness – n. knowledge or recognition
unfortunately – adv. sadly, regrettably
challenge – n. a problem or test
