English: Nest
Welsh: Nyth
Subject: Amgylchedd
English definition: A Welsh Government programme from April 2011 offering energy efficiency improvements to householders in Wales. Replaces the previous Home Energy Efficiency Scheme in tackling fuel poverty.
Welsh definition: Rhaglen i wneud cartrefi Cymru'n lleoedd cynhesach i fyw ac i ddefnyddio ynni'n fwy effeithiol.