gollwng

Mae'r lefelau uchaf erioed o ddyled ynni yn golygu bod llawer o bobl yn byw mewn cartrefi oer sy'n gollwng gwres ac yn gorfod dogni gwresogi ar draul hanfodion eraill, er anfantais i'w hiechyd a'u lles.

Record levels of energy debt mean that many people are living in cold, leaky homes and are having to ration heating at the expense of other essentials, to the detriment of their health and well-being.