actual
alternative
arid
blade
blue
cloud
development
ecological
ecology
effect
efficiency
electric
electrical
electricity
energy
environmental
equipment
farm
field
generation
generator
green
greenhouse
industrial
innovation
innovative
landscape
modern
natural
nature
new
plant
power
production
propeller
renewable
resource
rotate
sky
station
sustainability
sustainable
system
technology
turbine
up
white
wind
windfarm
windmill