Sut y gall pob un ohonom fynd i'r afael â'n hôl troed carbon digidol

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OpenLearn will be unavailable from 8am to 10am on Wednesday 18 March due to a website upgrade.

As part of the upgrade your OpenLearn profile page is changing, as explained in this article.

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Sut y gall pob un ohonom fynd i'r afael â'n hôl troed carbon digidol
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Sut y gall pob un ohonom fynd i'r afael â'n hôl troed carbon digidol

Gall ymddangos yn llethol ond mae llawer o gamau y gallwn eu cymryd fel unigolion i leihau ein hôl troed carbon digidol. Gallwn eich helpu i ddechrau arni.