alternative
conservation
development
ecological
ecology
electric
electricity
energy
environment
environmental
farm
field
generate
generation
generator
global
industrial
industry
innovation
landscape
mill
nature
orange
plant
power
production
propeller
renewable
resource
rotate
rotation
sky
station
sunset
supply
sustainable
technology
tower
turbine
white
wind
windfarm
windmill
windpower
windturbine
yellow