This report provides an overview of the progress made in implementing activities under the Nairobi work programme on impacts, vulnerability and adaptation to climate change since the thirty-seventh session of the Subsidiary Body for Scientific and Technological Advice. It describes the continued engagement of Parties, organizations, institutions, experts, communities and the private sector in the activities of the Nairobi work programme, and gives examples of the collaborative activities between Nairobi work programme partner organizations, Parties and the private sector that are currently being carried out. It concludes with a brief overview of mandated next steps