industry, air pollution, tyrol
industry, technology, environment
sky, clouds, landscape
heavy water factory, chemical disaster exercise, calamity
concepts, garbage, pollution
tilt, stub, cigarette
dead bird, safety net, spirit network
conflict, ecology, environment
garbage, nature, trash
dead earth, earth, space
power plant, industry, flames
concepts, garbage, pollution
city, air pollution, air
smog, stopsmog, air pollution
