James Kon Each person plays a role in the ecosystem, said Brunei Climate Change Secretariat (BCCS) Head Ahmad Za’iemaddien bin Pehin Datu Lailaraja Major General (Rtd) Dato Paduka Seri Haji Awang Halbi yesterday during a panel at the forum on climate change and sustainability at Pro Chancellor Arts Centre of Universiti Brunei Darussalam. The forum,