燃やす
air
atmosphere
breath
building
change
chemical
chimney
climate
discharge
ecology
electricity
emission
energy
environment
exhaust
facility
factory
fog
gas
generate
generation
global
global warming
heating
horizontal
industrial
industry
petrochemical
plant
pollute
pollution
power
production
refinery
silhouette
silhouetted
smog
smoke
smokestack
smokestacks
steam
tower
toxic
vapor
warming
white