SDG 18 – Sustainable space: Extending the SDGs beyond Earth The UN SDGs are an urgent universal call for action to change the world and steer it towards a better and more sustainable path. One goal is missing: the 18th SDG on sustainable use of outer space. Berfin Bediz Yildiz, Gautam Hedge, Chen Shalem and Vennela Devineni • June 12, 2020
