aerial

air

area

areal

atmosphere

chemical

chimney

city

coal

conditions

damage

danger

dirty

drone

ecology

energy

environment

environmental

factory

fumes

humanity

industrial

industry

manufacturing

metallurgical

nature

near

nuclear

pipes

plant

pollution

poor

power

powerful

production

refinery

river

sky

smog

smoke

smokestacks

smoking

stack

technology

territory

toxic

view

water

white

zone