Order of the National Green Tribunal in the matter of Uma Shankar Patwa & Others Vs. Union of India & Others (Earlier titled as D.K. Joshi Vs. Union of India & Ors.) dated 30/11/2016 regarding illegal constructions on flood plain and river bed of Yamuna, Agra, Uttar Pradesh.
The Taj Mahal—an iconic World Heritage monument built of white marble—has become discolored with time, due, in part, to high levels of particulate matter (PM) soiling its surface. Such discoloration has required extensive and costly treatment and despite previous interventions to reduce pollution in its vicinity, the haze and darkening persists.