Order of the National Green Tribunal in the matter of Tribunal on its own motion Vs The Principal Secretary, Environment & Forests, Govt. of Tamil Nadu & Others dated 07/01/2019 regarding encroachments of waterbodies in Chennai. The Court has been informed that due to rapid urbanisation in Chennai, the waterways in Chennai have become a prime target for growth of encroachments along the water bodies and hence during flood, the encroached areas near the banks have become more vulnerable and susceptible for inundation.

Order of the National Green Tribunal in the matter of V. P. Krishnamoorthy Vs. The Union of India & Others dated 24/10/2018. The matter deals with incidents of leakage of petroleum oil manufactured and supplied by various oil companies from the pipelines laid and used by such companies contaminating drinking water in North Chennai, more particularly, in Thondiarpet impacting the wells on PH road and BP Koil street. The case was taken up on the basis of a newspaper report dated 16.07.2013 and other reports preceding it.