Glastir Uwch yw elfen flaenllaw Glastir, a thrwyddi mae Llywodraeth Cymru’n cynnig cymorth ariannol i ffermwyr a thirfeddianwyr ar gyfer gwella’r rheolaeth amgylcheddol o’u tir. Mae Glastir yn talu am gyflenwi nwyddau a gwasanaethau amgylcheddol a phenodol sy’n ceisio mynd i’r afael â’r newid yn yr hinsawdd, gwella’r gwaith o reoli dŵr a chynnal a gwella bioamrywiaeth.
Glastir Advanced is the flagship component of Glastir, through which the Welsh Government offers financial support to farmers and land owners to improve the environmental management of their land. Glastir pays for the delivery of specific environmental goods and services aimed at combating climate change, improving water management and maintaining and enhancing biodiversity.