Exclusive: UK foreign secretary to tell world leaders at Cop31 summit that sci-fi scenarios of destruction ‘now regular occurrences’Cop31 live – latest updatesUK politics live – latest updatesThe national security of all countries is at risk from the climate crisis, as “science fiction” scenarios of widespread destruction are already coming true and economic shocks from fossil fuels are now the norm rather than the exception, the UK’s foreign secretary is to warn.