A total of 32 parameters including change in forest cover, municipal waste treatment, share of waterbodies not in use, state of groundwater extraction, change in number of polluted river stretches, share of sewage that gets treated, change in installed grid renewable power and water bodies not in use were studied.
Nadu scored just 4.4 of 10, while Telangana topped with a score of 7.2. States that fared well include Gujarat with 6.5, Goa 6.3,Maharashtra5.7 and Haryana 5.5.
As per India State of Forest Report (ISFR), the total forest cover in TN was 26,364.02 sqkm, but only 3,605.49 sqkm was classified very dense forest (VDF), which means large tracts of forest area have degraded. As per ISFR 2021, TNs forest cover is 26,419 sq km, 20.31% of its geographical area.