National: In this obscure village perched on the rugged coastline along the Bay of Bengal, climate change exudes a taste – the taste of salt. As recently as five years ago, water from the village well tasted sweet to Mohammed Jehangir. But now a glassful, flecked with tiny white crystals, tastes of brine. Like other paddy farmers in this southern village, Mr Jehangir is baffled by the change. But international scientists are not surprised as global warming causes sea levels to …