The world, as we know it, is changing . . . In the autumn issue of Granta, acclaimed nature writer Barry Lopez meditates on language and seeing; poet Kathleen Jamie travels to the Alaskan wilderness; science writer Fred Pearce describes the effort to keep Sellafield safe; Adam Nicolson investigates murder in rural Romania; Robert MacFarlane introduces unpublished extracts from the notebooks of Roger Deakin; and new Australian writer...