green energy
US /ˌɡriːn ˈen.ɚ.dʒi/
UK /ˌɡriːn ˈen.ɚ.dʒi/
1.
energy that can be produced in a way that protects the natural environment, for example, by using the sun, wind, or water
:
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The government is investing heavily in green energy projects.
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Many countries are shifting towards green energy sources to combat climate change.