Mathu & another (Suing on Behalf of Shanzu Road Residents Association) v Director General, National Environment Management Authority (NEMA) & 2 others; The Director General, Nairobi Metropolitan Services (Interested Party) (Tribunal Appeal 8 of 2022) [2022] KENET 743 (KLR) (Civ) (2 September 2022) (Ruling)