浜辺
alternative
beginning
blackboard
business
chalkboard
chance
change
cheerful
clean
climate
concept
conservation
crisis
development
eco
ecological
ecology
economic
efficiency
electricity
energy
environment
friendly
future
global
green
growth
happiness
industry
investment
natural
nature
power
renewable
responsible
save
save the earth
seaside
sky
social issues
start
sustainability
sustainable
technology
turbine
vision
wind
wind turbine
windmill
定額
Sustainable future word written on chalkboard or blackboard with log on sand on tropical beach and turbines background. Renewable energy concept and alternative energy economic growth ideaの素材 [FY310160730032]
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