#mark2100 highlights what sea level rise will look like in the year 2100 if global warming continues at this rate; the book indicates with red tape where sea level will be in Bristol and can be uploaded to #mark2100; encased in a laser cut book holder that pinpoints the places in Bristol it will happen. It is accompanied by a risograph poster of how the UK will become an 'island nation' (shown by the blue representing what it will become).