英文關鍵字
against
air
and
atmosphere
billow
billowing
billows
blue
burning
carbon
change
chimney
clean
climate
co2
coal
conservation
cooling
electric
electricity
emissions
energy
environment
environmental
epa
factory
fossil
from
fuel
fuels
fumes
gasses
generating
generation
global
green
greenhouse
industrial
industry
plant
pollution
power
puff
regulations
sky
smog
smoke
smokestacks
stack
steam
tower
towers
vapor
virginia
vivid
warming
west
white