Complex sentence: As of 2015 the municipal-and national government have made plans for dumping up to two million tons of waste into the fjord annually for fifteen years-waste from copper mines that the two governments want started.
Split into simpler sentences: As of 2015, the municipal and national government have made plans to dump up to two million tons of waste into the fjord annually for fifteen years. The material is waste from copper mines that the two governments want started.