英文關鍵字
air
atmosphere
building
carbon
change
chemical
chimney
climate
co2
coal
construction
conversion
damage
dioxide
dirty
dust
ecology
emissions
energy
environment
environmental
exhaust
factory
fumes
garbage
gas
generation
global
industrial
industry
manufacturing
nature
nuclear
pipe
plant
pollution
power
refinery
sky
smog
smoke
stack
station
steam
technology
tower
toxic
vapor
warming
white