environmental
agreement
alternative
bio
carbon
change
clean
climate
day
deal
development
earth
eco
ecology
efficiency
electric
electricity
emission
energy
environment
green
greenhouse
hand
handshake
handshaking
low
lowcarbon
mill
mills
nature
paris
partner
partnership
planet
pollution
power
protocol
renewable
resource
shaking
supply
sustainability
sustainable
teamwork
technology
tower
turbine
warming
wind
windmill