Coal plant emission icon air pollution campaign in simple line https://www.rawpixel.com/image/2899676/premium-illustration-image-air-pollution-awareness-carbon-dioxideView licenseTruck loading potatoes at storage cellar. Monte Vista, Colorado. Sourced from the Library of Congress. https://www.rawpixel.com/image/12272871/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Chicago, Illinois. Southbound freight train leaving an Illinois Central Railroad… https://www.rawpixel.com/image/12290654/photo-image-person-sky-smokeFree Image from public domain licenseFramework being completed for fire lookout station on Oregon coast land use project. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270779/photo-image-cloud-plant-fireFree Image from public domain licenseOklahoma City, Oklahoma. Phillips gasoline plant. Sourced from the Library of Congress. https://www.rawpixel.com/image/12301199/image-plant-person-skyFree Image from public domain license[Untitled photo, possibly related to: Outside of the tobacco warehouses in Durham, North Carolina]. Sourced from the Library… https://www.rawpixel.com/image/12263217/photo-image-person-road-public-domainFree Image from public domain licenseNew York, New York. Waiting for the trains at the Pennsylvania railroad station. Sourced from the Library of Congress. https://www.rawpixel.com/image/12287854/photo-image-people-public-domain-manFree Image from public domain licenseWashington, D.C. Even the oldest jalopies were out to have their tanks filled on the day before stricter gasoline rationing… https://www.rawpixel.com/image/12288003/photo-image-person-public-domain-manFree Image from public domain licenseCoal plant emission icon air pollution campaign in flat design https://www.rawpixel.com/image/2899578/premium-illustration-image-air-pollution-beige-carbon-dioxideView licenseNew York, New York. Looking north from the 9th Street station on the Third Avenue elevated railway as a train leaves on the… https://www.rawpixel.com/image/12289771/photo-image-person-leaves-roadFree Image from public domain licenseFirehouse station number four. Washington, D.C. Engines returning from a fire. Sourced from the Library of Congress. https://www.rawpixel.com/image/12292104/photo-image-person-fire-treeFree Image from public domain license[Untitled photo, possibly related to: Cooperative gas station at Greenbelt, Maryland]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12248064/photo-image-plant-person-skyFree Image from public domain licenseGood Humor man comes to trailer camp on Saturday afternoon. These children are sons of torpedo plant workers in Alexandria… https://www.rawpixel.com/image/12268970/photo-image-plant-people-public-domainFree Image from public domain license[Untitled photo, possibly related to: Fire station and water tank. Carthage, Texas] by Russell Lee https://www.rawpixel.com/image/12174463/image-plant-art-fireFree Image from public domain licenseFirehouse Station No. 4. Washington, D.C. Cleaning a hose in front of a theater after a fire. The fireman in the white… https://www.rawpixel.com/image/12292206/photo-image-person-fire-public-domainFree Image from public domain license[Untitled photo, possibly related to: Guanica, Puerto Rico (vicinity). Cane-laden ox carts waiting to be weighed at the… https://www.rawpixel.com/image/12281066/photo-image-cow-plant-personFree Image from public domain licenseThe door gunner of a UH-60 Black Hawk, from the 3rd Battalion, 501st Aviation Regiment, Combat Aviation Brigade, 1st Armored… https://www.rawpixel.com/image/8727974/photo-image-public-domain-person-manFree Image from public domain licenseGas station and gospel mission. Cleveland, Ohio. Sourced from the Library of Congress. https://www.rawpixel.com/image/12270539/photo-image-person-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Trucks come directly from field and unload tomatoes directly into the canning room.… https://www.rawpixel.com/image/12286390/photo-image-person-sky-roadFree Image from public domain licenseMigratory worker at Belcross, North Carolina, grading station preparing supper to be cooked over an open fire. Sourced from… https://www.rawpixel.com/image/12276511/photo-image-plant-hand-personFree Image from public domain licenseFire station at Greenhills, Ohio. Sourced from the Library of Congress. https://www.rawpixel.com/image/12268154/photo-image-person-fire-public-domainFree Image from public domain license