For the first time, a historian and a climatologist with knowledge of climate history have worked closely together to create a unique book, combining climate reconstructions based on documented data in their human-historical context with temporally highly resolved analyses of climate and glaciers.Christian Pfister (left) is Professor Emeritus of Economic, Social and Environmental History at the University of Bern, Switzerland. He was founding president of the European Society for Environmental History (ESEH). Heinz Wanner is Professor Emeritus of Geography and Climatology. He was co-chair of the international Past Global Changes (PAGES) project and a member of the UN Intergovernmental Panel on Climate Change (IPCC). Both scientists work at the renowned Oeschger Centre for Climate Change Research at the University of Bern.