Singer Bjork: 'Musk should build solar-powered festival ships' for touring musicians

She has been looking for ways to cut the carbon footprint of her tours. Photo: Bjork/Instagram

Bjork called on tech billionaires to come up with greener solutions for touring musicians such as environmentally friendly cruise ships to host roving festivals.

The Icelandic singer-songwriter has been on the frontlines of green activism in recent days, joining a protest against whaling in her country.