TY - JOUR AU - Serrano Cañadas, Enrique PY - 2016 SN - 0211-6820 UR - https://uvadoc.uva.es/handle/10324/52541 AB - The focus of this special issue of Cuadernos de Investigación Geográfica is on polar environments and includes nine papers describing new advances and studies concerning physical geography. This issue deals with periglacial environments, permafrost,... LA - eng PB - Universidad de La Rioja KW - Regiones polares KW - Climatic changes - Polar regions KW - Polar regions - Environmental conditions TI - Foreword: Polar environments, a changing world T2 - Prefacio: Ambientes polares, un mundo cambiante DO - 10.18172/cig.2977 ER -