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A systematic global stocktake of evidence on human adaptation to climate changeAssessing global progress on human adaptation to climate change is an urgent priority. Although the literature on adaptation to climate change is rapidly expanding, little is known about the actual extent of implementation. We systematically screened >48,000 articles using machine learning methods and a global network of 126 researchers. Our synthesis of the resulting 1,682 articles presents a systematic and comprehensive global stocktake of implemented human adaptation to climate change. Documented adaptations were largely fragmented, local and incremental, with limited evidence of transformational adaptation and negligible evidence of risk reduction outcomes. We identify eight priorities for global adaptation research: assess the effectiveness of adaptation responses, enhance the understanding of limits to adaptation, enable individuals and civil society to adapt, include missing places, scholars and scholarship, understand private sector responses, improve methods for synthesizing different forms of evidence, assess the adaptation at different temperature thresholds, and improve the inclusion of timescale and the dynamics of responses.

Climate change (CC) is an increasing societal concern for many countries around the world, and yet international negotiations continue to make slow progress. CC is an issue that is proving difficult to address using traditional approaches to information provision and education. This article reviews the development of climate and CC games and simulations in recent years as an alternative and novel way of addressing CC issues and communicating with decision makers. It gives an overview of published CC games and analyses a selection of 52 sophisticated CC games in detail. The results allow comparisons of the temporal development of climate games, actors involved in CC game development, game formats, and game subjects. Many climate games appeared around the time of the UN climate negotiations in Copenhagen in 2009, with an increasing number of commercial game developers entering the field. Role-play and management games dominate the scene, but we see a rapid increase in the number of online games or games with an online component. Both local and global mitigation issues are frequently addressed and as yet few games focus on adaptation to CC.