The MENE survey was undertaken annually between 2009 and 2019 and collected data about outdoor recreation and attitudes towards, and engagement with, the natural environment.
Cynhaliwyd arolwg MENE bob blwyddyn rhwng 2009 a 2019 a chasglwyd data ar hamddena awyr agored ac agweddau tuag at yr amgylchedd naturiol ac ymgysylltiad ag ef.