Slides from an overview talk given as part of the ���Data management and analytical tools for environmental science��� webinar series led by NERC Constructing a Digital Environment programme. The talk was given by Ag Stephens on 14th January 2022. In this webinar, Ag described the JASMIN data analysis facility for environmental science (https://jasmin.ac.uk). JASMIN provides a unique infrastructure supporting large-scale data analysis, collaboration on big scientific data sets, access to Petabytes of environmental data and a range of computing and storage solutions. Ag presented an overview of JASMIN alongside some real user stories that demonstrate its capabilities. Further details about the webinar series are here: https://digitalenvironment.org/cde-webinar-series/