On this week's show:We take time to listen to three writers and activists who help us see our world differently, helping us to imagine other possible futures.Hannah Donnelly is a Wiradjuri woman from New South Wales. She is the creator of the Sovereign Trax music blog, celebrating Aboriginal and Torres Strait Islander music and culture. Hannah is also the co-editor of the Sovereign Apocalypse. Her writing experiments with speculative fiction and future imaginings of Indigenous responses to climate change.Claire G. Coleman is a Noongar woman from the south coast of Western Australia.She writes fiction, essays and poetry. Her debut novel 'Terra Nullius' is published by Hachette Australia, 2017.Ursula K. Le Guin was a writer of fantasy, science fiction and poetry. She created worlds that were both alien and also entirely relevant to our own.Earth Matters #1126 was produced by Teishan Ahearne.