英文關鍵字
abundant
air
anthropogenic
atmosphere
clouds
contaminate
contamination
dirty
dumps
earth
ecology
effect
emissions
energy
enterprise
environmental
factory
fog
global
greenhouse
heat
huge
industry
mist
networks
pipe
pipes
plant
plentiful
poisoning
pollute
pollution
power
processing
refinery
smelter
smog
smoke
smokestackn
station
stations
steam
technology
thermal
vapor
vapour
warming
waste