Since LDT was devolved in 2018, there has been a 49% decrease in the landfilling of standard-rated material.
Ers i’r Dreth Gwarediadau Tirlenwi gael ei datganoli yn 2018, gwelwyd gostyngiad o 49% o ran faint o ddeunydd sy’n cael ei dirlenwi ar y gyfradd safonol.