English: Earth Hour
Welsh: Awr Ddaear
Subject: Amgylchedd
English definition: WWF’s Earth Hour aims to focuses the world’s attention on our amazing planet, and how we need to protect it.
Welsh definition: Mae Awr Ddaear WWF yn anelu at dynnu sylw’r byd at ein planed wych, a’r ffordd y mae angen i ni ei gwarchod.