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Weather may marginally affect COVID-19 dynamics, but misconceptions about the way that climate and weather drive exposure and transmission have adversely shaped risk perceptions for both policymakers and citizens. Future scientific work on this politically-fraught topic needs a more careful approach.

Found throughout the tree of life and in every ecosystem, parasites are some of the most diverse, ecologically important animals on Earth-but in almost all cases, the least protected by wildlife or ecosystem conservation efforts. For decades, ecologists have been calling for research to understand parasites' important ecological role, and increasingly, to protect as many species from extinction as possible. However, most conservationists still work within priority systems for funding and effort that exclude or ignore parasites, or treat parasites as an obstacle to be overcome. Our working group identified 12 goals for the next decade that could advance parasite biodiversity conservation through an ambitious mix of research, advocacy, and management. ; Ecological Society of America; Georgetown Environment Initiative; Smithsonian National Museum of Natural HistorySmithsonian InstitutionSmithsonian National Museum of Natural History; Peter Buck Postdoctoral Fellowship from the Smithsonian National Museum of Natural History; National Science FoundationNational Science Foundation (NSF) [OCE-1829509]; Alfred P. Sloan Foundation Sloan Research FellowshipAlfred P. Sloan Foundation; University of Washington Innovation Award; University of Washington Royalty Research Fund awardUniversity of Washington ; The authors kindly thank the Ecological Society of America for supporting our workshop, as well as additional participants Kevin Burgio, Tad Dallas, and Roger Jovani; Laura Whitehouse, for her graphic design work on Fig. 1; Jonathan Wojcik for allowing the inclusion of his copyright Diplozoon illustration in Fig. 3; and dozens of collaborators and friends who have been part of the foundational work on parasite conservation, including Anna Phillips, Veronica Bueno, Carrie Cizauskas, Christopher Clements, Graeme Cumming, Eric Dougherty, Kevin Johnson, Wayne Getz, Nyeema Harris, Elizabeth Nichols, Sergey Mironov, Robert Poulin, and Heather Proctor. CJC gratefully acknowledges funding support from the Georgetown Environment Initiative, and research support from Anna Phillips and the Smithsonian National Museum of Natural History. KCB was supported by a Peter Buck Postdoctoral Fellowship from the Smithsonian National Museum of Natural History. CLW was supported by a grant from the National Science Foundation (OCE-1829509), an Alfred P. Sloan Foundation Sloan Research Fellowship, a University of Washington Innovation Award, and a University of Washington Royalty Research Fund award. Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government. ; Public domain authored by a U.S. government employee

Understanding possible climate futures that include carbon dioxide removal (CDR) and solar radiation modification (SRM) requires thinking not just about staying within the remaining carbon budget, but also about politics and people. However, despite growing interest in CDR and SRM, scenarios focused on these potential responses to climate change tend to exclude feedbacks between social and climate systems (a criticism applicable to climate change scenarios more generally). We adapted the Manoa Mash- Up method to generate scenarios for CDR and SRM that were more integrative, creative, and dynamic. The method was modified to identify important branching points in which different choices in how to respond to climate change (feedbacks between climate and social dynamics) lead to a plurality of climate futures. An interdisciplinary group of participants imagined distant futures in which SRM or CDR develop into a major social-environmental force. Groups received other "seeds" of change, such as Universal Basic Income or China's Belt and Road Initiative, and surprises, such as permafrost collapse that grew to influence the course of events to 2100. Groups developed narratives describing pathways to the future and identified bifurcation points to generate families of branching scenarios. Four climate-social dynamics were identified: motivation to mitigate, moral hazard, social unrest, and trust in institutions. These dynamics could orient toward better or worse outcomes with SRM and CDR deployment (and mitigation and adaptation responses more generally) but are typically excluded from existing climate change scenarios. The importance of these dynamics could be tested through the inclusion of social-environmental feedbacks into integrated assessment models (IAM) exploring climate futures. We offer a step-by-step guide to the modified Manoa Mash-up method to generate more integrative, creative, and dynamic scenarios; reflect on broader implications of using this method for generating more dynamic scenarios for climate change research and policy; and provide examples of using the scenarios in climate policy communication, including a choose-your-own adventure game called Survive the Century (https://survivethecentury.net/), which was played by over 15,000 people in the first 2 weeks of launching.