英文關鍵字
alternative
beautiful
clean
conservation
eco
ecological
ecology
efficiency
electric
electricity
energy
environment
environmental
farm
fog
friendly
future
generating
generator
global
green
industrial
industry
innovation
landscape
mist
natural
nature
orange
plants
power
propeller
renewable
resource
science
sky
station
sunrise
sunset
technology
turbine
turbines
wind
windmill