Rampant construction near Faridabad has led to the degradation of the Aravalli ecosystem (All photos by Aoun Hasan)The Aravalli range, has served as a carbon sink and prevented the desertification of the national capitalIt has also served as a home to many animal and plant species, which are slowly disappearing or being replaced by invasive varietiesMining activities continue in the region despite a ban being in place A huge pit lake has formed in Faridabad's Sirohi village due to excessive miningAgriculture, one of the key occupations of the locals, has also been affected by the changing climatic conditions and ecosystemsFishing is also common in the Aravallis, but the drying up of lakes has taken a toll on its extent The Bandhwari waste treatment plant in Gurgaon's Aravalli is the a serious threat to the ecosystem