1.6m tonnes of carbon has been safeguarded, and carbon emissions reduced by 8,000 tonnes per year, the equivalent of 5,700 car emissions.
Mae 1.6m tunnell o garbon wedi'i ddiogelu, ac mae allyriadau carbon wedi gostwng 8,000 tunnell y flwyddyn, sy'n cyfateb i 5,700 o allyriadau ceir.