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Hello, good to be back, accompanied by two people with political views that on the surface anyway seem as different as could be.

Caroline Lucas is the Green Party MP for Brighton Pavilion and a member of parliamentary

groups concerned with such matters as energy efficiency and sustainable housing. Her book, Honourable

Friends, has just appeared in a new edition. Rod Liddle, columnist for among others the Sun, the Sunday

Times and the spectator, describes himself as a card-carrying member of Blue Labour

and on climate change he's said he's a little skeptical about the predictions being made.

Rod used to edit the Today program on this ferry radio station

and his most recent book was last year's selfish whining

monkeys. Caroline, would you start us off? Your choice of a good read is? My choice of a good read

is Barbara Kingsolver's flight behaviour. And Barbara Kingsolver, first of all, is an author I

absolutely love. Her previous book, Poisonwood Bible, I thought

was my all-time favourite, the one I would take to my Desert Island. Having read flight behaviour,

I just think that one's brilliant too. It tells a story of Delirobia Turnbow, the wonderfully named

Delirobia, who is a young woman, who gave up her own plans when she accidentally falls

pregnant at 17. She lives with her

slightly maddening husband, Cub and their two young children on a failing farm in a small

town in rural Tennessee. And we first meet Delirobia. She's marching up the mountain behind her

house to begin an affair with a telephone repair man as a way of relieving the desperation and disappointment in her life and marriage.

But instead what happens is she stumbles across this most extraordinary sight,

which is a silent forested hillside filled with what looks like a lake of fire,

but which it transpires are millions upon millions of golden monarch butterflies,

...