These include long term improvements to air quality, increased renewable energy capacity, decreases in waste generation and considerable improvements in recycling rates.
Mae’r rhain yn cynnwys gwelliannau hirdymor i ansawdd aer, mwy o gapasiti ynni adnewyddadwy a gwelliannau sylweddol yng nghyfraddau ailgylchu gwastraff cartrefi.