Şunu aradınız:: nhymheredd (Galce - İngilizce)

os edrychwch ar y data a gesglir , gwelwch y bu amrywiadau pendant yn nhymheredd y byd
if you look at the data being collected , there have been clear fluctuations in global temperature

ceir consensws bod rhaid inni atal cynnydd o 2 radd ganradd neu fwy yn nhymheredd y byd uwchlaw'r hyn a geid ar ddechrau'r chwyldro diwydiannol
there is a consensus that we have to prevent an increase of 2 degrees centigrade or more in the global temperature above that at the beginning of the industrial revolution