The initiation of a World Bank project during the summer of 2007 involved the planting of casuarina saplings (Casuarina equisetifolia) in the sand dunes of the east coast of Tamil Nadu in order to raise a protective plantation a bioshield to blunt the impact of high sea-waves like the tsunami that struck the coast on 26 December 2004. The monoculture
Water being a good solvent, is prone to physico chemical and microbial contamination. Municipal sewage, both treated and untreated is often released into the receiving water bodies, which influence water quality.
