Final series of climate emergency drama set in a flooded future world written by Linda Marshall Griffiths.'The Library of Everything' - when what comes after is more dangerous than what came before.

Jess and Cal are parted and Jess has an unexpected encounter with Leo, the lad who took her mum. Birdie and Gil get closer to the weather station but Gil's pain is getting worse and Birdie realises she must get help.

CAL.....Cel SpellmanJESSIE.....Sade MaloneLEO.....Hamish RushBIRDIE.....Poppy O'BrienLAURIE.....Jenny PlattALEX.....William Ash

Written by Linda Marshall GriffithsDirected by Nadia MolinariSound Design by Sharon Hughes

Programme consultants: Dr James M. Lea; Dr Ian Dawson; Dr. Andrew F. Field.