ocean

'In a fragmenting world, convergent evolution feels like a reassurance.' In the last of our water-theme posts this month, we join Hannah Hindley on a s spectacular journey that takes us from a crystal-covered cave in the prehistoric landmass of Wrangallia, to the Panthalassa Ocean and out into the sky – pondering the salty seas on Jupiter's Moon and the ghost oceans of Mars. This essay is an extract from a longer piece, 'Convergences' – which can be found in Dark Mountain: Issue 21.

For The Vanishing series, Rupert Read considers the future of human societies , following in the wake of whales. With artworks by Angela Cockayne.

Latest in our Sea-Change series:, Ann Lingard, reveals the deep time layers of the Solway Firth and the impermanence of colonisation.

For our third post from the archive,, Steve Wheeler chooses Zedeck Siew's migration fable, 'Whalebone & Crabshell' first published in spring 2015. Illustrations by Sharon Chin

On this month's Dark Kitchen table: artist duo Cooking Sections' CLIMAVORE project on the island of Skye and an extract from their 'island book' 'Salmon - A Red Herring'

Latest from our just-published issue 17, two pieces set in territories of flux, between fiction and poetry: a legion of seaweed in the ocean and a land and a people that have withstood fire

From our anniversary edition Dark Mountain: Issue 16 - REFUGE: a lament for the disappearing beauty of the coral reef by Jay Griffiths. With sea image by David Ellingsen.

Pacific coast artist Robin V. Robinson and writer Neale Inglenook braid photography with words in a story of emergence from the ocean