We know that if people have more flexibility in where they work, they can avoid a lengthy commute, reduce road congestion, which plays a part in improving air quality.
Os oes mwy o hyblygrwydd i bobl o ran lle maen nhw’n gweithio, fe allan nhw osgoi teithiau hir i’r gwaith a lleihau tagfeydd ar y ffyrdd, sy’n cyfrannu at wella ansawdd yr aer.