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