alternative
blade
blue
climate
conservation
development
electricity
energy
environment
environmental
evening
farm
generate
generation
generator
global
green
industrial
industry
innovation
landscape
mill
nature
power
propeller
protected
renewable
resource
rotate
rotating
rotation
sky
spin
sun
sunrise
sunset
sustainability
sustainable
technology
tower
turbine
warming
watts
white
wind
windfarm
windmill
windpower
windturbine