The hugely popular Icelandic singer Björk has gone into battle with another of the island's big exports - aluminum.
Björk says the aluminum production is replacing fishing as one of the island's principle employers. But she also says the industry is damaging Iceland's precious resources - and in particular its geothermal energy - because so much of that energy is being used so quickly to produce the metal.
Björk is participating of a project called Náttúra that aims to help nurture companies in Iceland that would be, she says, more sustainable and eco-friendly, and that could foster alternative ways to use the island's resources, like geothermal energy. "We need to define what sustainable, green energy means," she said. "Too often these words are abused."
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