Global Sustainability is currently indexed in: 

• The Directory of Open Access Journals (DOAJ) - an online directory that indexes and provides access to quality open access, peer-reviewed journals
• CAB Abstracts and Global Health databases - CAB International is a not-for-profit, international treaty organisation, dedicated to the dissemination of scientific knowledge. They produce two abstract databases in the applied life sciences: CAB Abstracts (agriculture, crop science, natural resources, animal and human sciences) and Global Health (dedicated to public health, food science and nutrition).
• Scopus - the largest abstract and citation database of peer-reviewed literature: scientific journals, books and conference proceedings (Elsevier)
• Google Scholar - a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. 
• Web of Science Emerging Sources Citation Index