Learn how to perform water modelling and planning using SEI’s flagship software, Water Evaluation and Adaptation Planning (WEAP). WEAP is a user-friendly modelling tool that enables integrated water resources planning on a variety of scales. More than 58 000 people use WEAP worldwide for policy planning, research and more. SEI experts will run the training online, in English, on 8, 13 and 15 July 2026, from 7–10 a.m. PDT, with a one-hour introductory session on 1 July at 7 a.m. PDT.