Yn ystod yr argyfwng bu gostyngiad o 17% mewn allyriadau CO2 ac fe wyddom fod ymddygiad newydd megis gweithio o gartref, mwy o ddefnydd o dechnoleg a darparu gwasanaethau yn ddigidol, ymhlith eriall, wedi helpu inni gyflawni hyn.
During the crisis CO2 emissions fell by 17% and we know that new behaviours such as home working, increased use of technology and digital delivery of services, amongst others, have helped to achieve this.