green
adjective
ENVIRONMENT, SOCIAL RESPONSIBILITY uk/ɡriːn/ usrelating to or believing in the protection of the natural environment:
green issues/politics/solutions Small companies need green solutions to be more affordable.
Car manufacturers are investing in green technology.
Their recycling policies are very green.
a green campaigner/activist
Companies are becoming greener in response to customer expectations.
go green
to start doing things in a way that protects the natural environment:
There are many benefits for developers and builders who decide to go green.
My supermarket went green last year and has stopped supplying free plastic bags.