The community centres have each made changes to the ways their buildings use energy and water, and have engaged with user groups to reduce their carbon footprint.
Mae’r canolfannau cymunedol wedi newid y ffordd y mae eu hadeiladau’n defnyddio ynni a dŵr ac wedi gweithio gyda grwpiau defnyddwyr i leihau eu hôl troed carbon.