Sindumin assemblyman Datuk Dr Yusof Yacob (standing, seventh from left) and PETRONAS Chemicals Fertiliser Sabah CEO Abdullah Side (standing, sixth from left) with the winners of the Be Green waste management competition, SMK Pengiran Omar.
KOTA KINABALU: Students from four secondary schools in Sabah’s southwest Sipitang district learnt valuable lessons in responsible waste management.
