environmental
alternative
blue
clean
cloud
conservation
development
eco
ecology
efficiency
electric
electricity
energy
environment
farm
friendly
generate
generation
generator
global
green
industrial
industry
innovation
landscape
metal
nature
plant
power
propeller
protected
renewable
resource
rotate
rotation
sky
supply
sustainability
sustainable
technology
tower
turbine
warming
watts
white
wind
windfarms
windmill
windpower
windturbine