“Rownd a rownd â ni, yn allyrru mwy a mwy o garbon yn y broses, a wnawn ni ddim cyrraedd Sero Net nes inni stopio gwneud yr un peth drosodd a throsodd.
“Round and round we go, emitting more and more carbon as we do it and we will not get to Net Zero unless we stop doing the same thing over and over.