environmental
alternative
blade
blue
clean
cloud
conservation
development
ecological
ecology
efficiency
electric
electricity
energy
environment
farm
field
generate
generation
generator
global
green
industrial
industry
innovation
landscape
metal
mill
nature
plant
power
production
propeller
renewable
resource
rotation
sky
station
supply
sustainability
sustainable
technology
tower
turbine
turbines
warming
white
wind
windfarm
windmill