alternative
blue
clean
clear
countryside
development
ecological
ecology
electric
electrical
electricity
energy
environmental
field
fuel
generation
grass
green
industry
innovation
landscape
meadow
mill
modern
natural
nature
plant
power
prairie
production
renewable
resources
sky
spain
springtime
sustainability
sustainable
turbine
wind
wind turbine
windfarm
windmill
windmills
windturbine