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  • Methanotrophic bacteria can capture waste greenhouse gas emissions and feed fish, reducing the need for wild captures. An economic analysis shows great potential for this approach to replace aquaculture feed at competitive prices.

    • Sahar H. El Abbadi
    • Evan D. Sherwin
    • Craig S. Criddle
  • Avoiding catastrophic climate change requires that we avoid losing key natural carbon reserves. This study maps such irrecoverable carbon globally and finds a third of the remaining managed by Indigenous peoples and local communities and nearly a quarter in protected areas.

    • Monica L. Noon
    • Allie Goldstein
    • Will R. Turner
    Article Open Access
  • Historical dynamics show that no country has achieved minimum social thresholds within biophysical boundaries between 1992 and 2015, and a projection indicates that no country is on the path to achieve them.

    • Andrew L. Fanning
    • Daniel W. O’Neill
    • Nicolas Roux
  • A cost–benefit analysis of land restoration in the African Great Green Wall shows that, under a range of assumptions, the investment makes economic sense at a regional level, despite the differences across countries and biomes.

    • A. Mirzabaev
    • M. Sacande
    • A. Martucci
  • China’s coasts have become more populous and urbanized. This study finds a rebound in the area of coastal wetlands, reflecting recent conservation and restoration, with large losses between 1984 and 2011 followed by increases in saltmarsh area and stabilization of tidal flats.

    • Xinxin Wang
    • Xiangming Xiao
    • Bo Li
  • Meeting China’s growing demand for food, especially for livestock products, will have huge environmental impacts domestically and globally. This study finds large increases in land, water, fertilizer and greenhouse gas emissions that vary based on openness of trade.

    • Hao Zhao
    • Jinfeng Chang
    • Michael Obersteiner
  • The possibility of a huge oil spill off the coast of Yemen, already in crisis, is increasingly likely. This study projects the likely spill extent and impacts to public health, food, water and air.

    • Benjamin Q. Huynh
    • Laura H. Kwong
    • David H. Rehkopf
    Article Open Access
  • Delaying climate mitigation requires large-scale carbon dioxide removal (CDR) in the second half of this century, with possible adverse effects. Under scenarios with no dependence on CDR technologies, this study examines the short- and long-term implications of climate mitigation for land-use and food systems.

    • Tomoko Hasegawa
    • Shinichiro Fujimori
    • Keywan Riahi
  • Proper management to mitigate and avoid algal blooms in drinking water is dependent on expertise. This study surveyed water managers across the United States to assess how knowledge is formed and disseminated, or how it is not.

    • Galen Treuer
    • Christine Kirchhoff
    • Francesca McGrath
  • Static maps are key tools for assessing ecosystem services. This study shows that hotspots of three boreal-forest services—wood production, bilberry production and topsoil carbon storage—can vary widely over just ten years, suggesting the value of dynamic tools to manage dynamic landscapes.

    • Tord Snäll
    • María Triviño
    • Jon Moen
  • Despite concern among racially minoritized groups about environmental impacts within their communities, students of colour remain underrepresented in environmental science degree programmes in the United States and Europe. This study examines the experiences of students of colour to illuminate pathways to racial equity in the pursuit of sustainability.

    • Tania M. Schusler
    • Charlie B. Espedido
    • V. Bala Chaudhary
  • A quantification of PM2.5 pollution finds that mortality risk lies disproportionately within low-income households, and that addressing their indoor air pollution sources can avert more absolute deaths, yet wealthier individuals are more responsible for the emissions.

    • Narasimha D. Rao
    • Gregor Kiesewetter
    • Fabian Wagner