Which of the following benefits would you support the Welsh Government using in their communications campaign to encourage people to take actions to help fight climate change?
Pa un o'r buddion canlynol fyddech chi'n cefnogi Llywodraeth Cymru i ddefnyddio yn yr ymgyrch gyfathrebu er mwyn annog pobl i gymryd camau i helpu i frwydro yn erbyn newid hinsawdd?