Special issues PALeo constraints on SEA level rise (PALSEA): ice-sheet and sea-level responses to past climate warming 12491 Global Challenges for our Common Future: a paleoscience perspective 12419 Paleoclimate Modelling Intercomparison Project phase 4 (PMIP4) (CP/GMD inter-journal SI) 11458 Climate of the past 2000 years: global and regional syntheses 7418 Climate change in the Balkan-Carpathian region during Late Pleistocene and Holocene 7040