An independent external review of the results and performance of the Great Green Wall Accelerator was conducted in September 2022 – January 2023 by Mr. David Todd. This review provides an evidence-based consideration of progress, success and challenges of the Accelerator so far, with the aim to further enhance its services.  In addition to the full report of the review, a summary version and the UNCCD management response, both in English and French, are provided.