英文關鍵字
air
bio
biological
breath
building
change
climate
cloud
coal
combustion
discharge
ecology
electric
electricity
energy
environment
factory
fired
fuel
fumes
gas
generate
generation
global
health
industrial
industry
lapse
plant
pollute
pollution
power
powerful
production
risk
smog
smoke
smokestacks
stacks
steam
stink
time
timelapse
tower
town
warming