Mae hyn yn cynnwys deall yn well pam fod pobl yn mynd i'r carchar a'r hyn y gallwn ei wneud i rwystro llawer rhag cael eu hanfon yno, yn aml am ddedfryd fer sy'n cael effaith drychinebus ar eu bywydau.
This includes gaining a better understanding of why people end up in prison and what we could do to prevent many people being sent to prison, often for short sentences that have a devastating impact on their lives.