This is an announcement for the paper "The non-linear geometry of Banach spaces after Nigel Kalton" by Gilles Godefroy, Gilles Lancien and Vaclav Zizler. Abstract: This is a survey of some of the results which were obtained in the last twelve years on the non-linear geometry of Banach spaces. We focus on the contribution of the late Nigel Kalton. Archive classification: math.FA Submitted from: gilles.lancien@univ-fcomte.fr The paper may be downloaded from the archive by web browser from URL http://front.math.ucdavis.edu/1207.2958 or http://arXiv.org/abs/1207.2958