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  • The authors investigate the impacts of excluding ecosystem data from Russian stations in the Arctic. While the current network of Arctic stations is already biased, the exclusion of Russian stations lowers representativeness and creates further biases that can rival end-of-century climate change shifts.

    • Efrén López-Blanco
    • Elmer Topp-Jørgensen
    • Niels M. Schmidt
    Brief CommunicationOpen Access
  • Accurate representation of permafrost carbon emissions is crucial for climate projections, yet current Earth system models inadequately represent permafrost carbon. Sustained funding opportunities are needed from government and private sectors for prioritized model development.

    • Christina Schädel
    • Brendan M. Rogers
    • Susan M. Natali
    Comment
  • Despite the promise of climate-smart agriculture (CSA) to improve food security in South Asia, most CSA practices and technologies have not been widely adopted. We identify the key barriers to CSA adoption in South Asia and suggest strategies to overcome them to increase CSA adoption at scale.

    • Asif Ishtiaque
    • Timothy J. Krupnik
    • Meha Jain
    Comment
  • Recent US climate bills mark a major step in domestic climate actions, while their successful implementation relies on strong assumptions. This Perspective discusses potential challenges regarding supply, consumer demand and political polarization and how insights of social science could help to overcome these challenges.

    • Matthew G. Burgess
    • Leaf Van Boven
    • Michael P. Vandenbergh
    Perspective
  • Ocean eddies impact circulation, heat and gas fluxes between the ocean and the atmosphere. Modelling how warming will alter their occurrence in the Arctic shows that sea ice decline and increased baroclinic instability drive an increase in eddy kinetic energy.

    • Xinyue Li
    • Qiang Wang
    • Thomas Jung
    ArticleOpen Access
  • Soaring temperatures hit the headlines throughout 2023; only time will tell if the annual climate talks have pivoted from discussion and debate to meaningful progress for climate action.

    Editorial
  • Justice issues are integral to a variety of climate science and policy processes. This Perspective provides a framework, based on philosophical theory, to explain key justice concepts and how they can be applied in climate discussions.

    • Caroline Zimm
    • Kian Mintz-Woo
    • Thomas Schinko
    Perspective
  • Oxygen loss has been observed in the world’s oceans, due mainly to warming temperatures that reduce oxygen solubility and increase stratification. This study shows climate-induced salinity changes also impact oxygen patterns with effects either accelerating or counteracting warming-driven changes.

    • Allison Hogikyan
    • Laure Resplandy
    • Gabriel Vecchi
    Article
  • The increase in atmospheric methane has been accelerating since 2007, and identifying drivers is critical for climate mitigation. In this study, the authors show that the expansion of rice cultivation in Africa accounts for 7% of rising emissions.

    • Zichong Chen
    • Nicholas Balasus
    • Daniel J. Jacob
    Brief Communication
  • Public engagement is necessary for climate action, yet it is difficult to achieve. This Perspective explores three assumptions about public engagement and provides suggestions for overcoming these to facilitate better engagement.

    • Michael Murunga
    • Catriona Macleod
    • Gretta Pecl
    Perspective
  • A warming climate can alter the food sources that support animals in Arctic ecosystems. Now, research provides empirical evidence of such a shift, with widespread implications for global carbon cycling.

    • Emily R. Arsenault
    News & Views
  • The authors quantify changes in carbon flow to Arctic tundra and boreal forest consumers under warming. Small-mammal specimens separated by 30 years and wolf spiders from short-term warming experiments show similar patterns of change, switching from plant-based to fungal-based food webs.

    • Philip J. Manlick
    • Nolan L. Perryman
    • Seth D. Newsome
    Article
  • The triple climate inequality crisis, or disparities in contributions, impacts and capacity to act within and between countries, is a central issue in addressing climate change. This Comment advocates for progressive wealth taxation as a viable solution to the finance gap.

    • Lucas Chancel
    • Philipp Bothe
    • Tancrède Voituriez
    Comment
  • Policies and psychological approaches often overemphasize individual agency, overlooking how socioeconomic inequality can constrain access to low-carbon alternatives. We argue that tackling these inequalities is urgent for impactful, equitable behaviour change.

    • Charlotte A. Kukowski
    • Emma E. Garnett
    Comment