On 31 January 2012 the Minister for Environment and Sustainable Development made an oral Statement in the Siambr on: Sustainable Development Scheme Effectiveness Review.
Ar 31 Ionawr 2012 gwnaeth y Gweinidog dros Amgylchedd a Datblygu Cynaliadwy Ddatganiad llafar yn y Siambr ar: Adolygiad o Effeithiolrwydd y Cynllun Datblygu Cynaliadwy.