air
atmosphere
carbon
chemical
chimney
close up
coaling
coming
concept
damage
dark
dense
ecology
economy
electric
emissions
emit
environment
explode
factory
factory pipes
fuel and power generation
fume
garbage
generate
harmful
heavy
industry
influence
lake
manufacture
moving
nuclear
ozone
pipe
plant
pollution
production
reek
sad
serious
shot
smoke
smokestack
smoky
stack
station
thick
view
water