Perspectives in 2019

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  • Climate change is likely to increase human migration, but future climate-related migration flows will depend heavily on the adaptive capacity of people living in vulnerable regions and on the border policies of potential destination countries. Current opportunities for mobility are constrained by increasingly strict border enforcement and the securitization of international migration.

    • Robert McLeman
    Perspective
  • Model estimates of future hydroclimate are uncertain, especially at the regional scale. This Perspective argues that constraining model runoff and its sensitivity to precipitation and temperature can greatly reduce this uncertainty and improve climate model utility in water resource applications.

    • Flavio Lehner
    • Andrew W. Wood
    • Justin S. Mankin
    Perspective
  • In this Perspective, the authors argue that defining the climate change problem as one of decarbonization rather than emissions reduction suggests a new guiding metaphor — the global fractal — which may be a more productive conceptualization for research and policy than the global commons.

    • Steven Bernstein
    • Matthew Hoffmann
    Perspective
  • Ecosystem response to climate change will vary in amplitude and dynamically, which may not be captured in current experimental design. This Perspective presents experimental design improvements to better predict responses and thus facilitate understanding of future impacts.

    • Francois Rineau
    • Robert Malina
    • Jaco Vangronsveld
    Perspective
  • This Perspective describes persecution, protection and ignorance archetypes for managing and monitoring species redistribution under climate change, and argues for global shared governance agreements to cope with species shifts into new geopolitical areas.

    • Brett R. Scheffers
    • Gretta Pecl
    Perspective
  • The Paris Agreement places new emphasis on the need to take stock of adaptation progress. This Perspective discusses the conceptual and methodological challenges associated with monitoring adaptation and provides a comprehensive framework for tracking progress among governments.

    • Lea Berrang-Ford
    • Robbert Biesbroek
    • S. Jody Heymann
    Perspective
  • Emergent constraints can be an evaluation tool for Earth System Models. This Perspective discusses emergent constraints, how they should be assessed, and when these statistical relationships can be confirmed and used to improve understanding of the changing climate system.

    • Alex Hall
    • Peter Cox
    • Stephen Klein
    Perspective
  • Big data is increasingly popular in many research domains. This Perspective discusses where elements of big data approaches have been employed in climate research and where combining big data with theory-driven research can be most fruitful.

    • Benedikt Knüsel
    • Marius Zumwald
    • Reto Knutti
    Perspective
  • Near-term climate predictions bridge the gap between seasonal forecasts and long-term projections. This Perspective outlines the challenges and opportunities for near-term climate prediction, highlighting the need for co-ordinated efforts to benefit society.

    • Yochanan Kushnir
    • Adam A. Scaife
    • Bo Wu
    Perspective
  • This Perspective synthesizes research on the origins and impacts of scientific misinformation campaigns, pointing to public inoculation, legal, political and financial strategies for countering climate change misinformation and limiting its dissemination.

    • Justin Farrell
    • Kathryn McConnell
    • Robert Brulle
    Perspective
  • Earth system models project likely future climates, however, evaluation of their output is challenging. This Perspective discusses new evaluation approaches, considering both simulations and observations, to ensure credible information for decision-making.

    • Veronika Eyring
    • Peter M. Cox
    • Mark S. Williamson
    Perspective