In partnership with RECLAIM Network, ZERO is pleased to offer a series of free online courses exploring how Green, Blue and Grey Infrastructure (GBGI)  can help address key environmental and social challenges in towns and cities. The courses are short, practical, and designed to bridge theory and real-world application. Each unit takes around 45–50 minutes , can be completed at your own pace, and includes a certificate of completion . This is a great way to expand your knowle