Guidelines & Tools GAINS User guide - Tutorial for advanced users Published 2021 Share SHARE Facebook share Twitter LinkedIn Copy URL Email Download Download GAINS-tutorial.pdf en Added on: 20 May, 2025 Breadcrumb Home Resource Library GAINS User Guide - Tutorial For Advanced Users The central tool developed and maintained by the PM group for this purpose is the Greenhouse gas - Air pollution Interactions and Synergies (GAINS) model. GAINS is available as an open-access online tool with different regional interfaces which allow the user to create and manipulate emission scenarios and analyze their costs and environmental impacts. This user guide provides an introduction on how to derive and update data in GAINS. The terminology used here enables the guide to be used by everybody, without special analytical skills or advanced knowledge in environmental and social sciences.