1. What did we know and which questions did we ask with regard to environmental contaminants in the early 1970s?

   • Arne Jernelöv

   Editorial 19 January 2021 Pages: 519 - 524

   

2. Afterthoughts from an environmental pollution discovery: Interview with Sören Jensen

   • Sören Jensen

   Behind the paper 19 January 2021 Pages: 525 - 526

3. Ecosystem approaches to mercury and human health: A way toward the future

   • Donna Mergler

   Behind the paper 19 January 2021 Pages: 527 - 531

4. The unlikely fate of a term paper

   • Frank Wania

   Behind the paper 19 January 2021 Pages: 532 - 533

5. Revisiting old lessons from classic literature on persistent global pollutants

   • Jonathan W. Martin

   Perspective Open access 19 January 2021 Pages: 534 - 538

6. Reflections about three influential Ambio articles impacting environmental biogeochemistry research and knowledge

   • John W. Farrington

   Perspective 20 January 2021 Pages: 539 - 543

   

7. Anthropogenic contaminants in freshwater from the northern Antarctic Peninsula region

   • Noelia Domínguez-Morueco
   • Luis Moreno-Merino
   • Yolanda Valcárcel

   Research Article 24 October 2020 Pages: 544 - 559

   

8. Antarctic krill fishery effects over penguin populations under adverse climate conditions: Implications for the management of fishing practices

   • Lucas Krüger
   • Magdalena F. Huerta
   • César A. Cárdenas

   Research Article 26 September 2020 Pages: 560 - 571

   

9. Understanding non-compliance in small-scale fisheries: Shark fishing in Myanmar’s Myeik Archipelago

   • Tracy MacKeracher
   • Me’ira Mizrahi
   • Amy Diedrich

   Research Article 20 October 2020 Pages: 572 - 585

   

10. Ecosystem service lens reveals diverse community values of small-scale fisheries

    • Kara E. Pellowe
    • Heather M. Leslie

    Research Article Open access 03 November 2020 Pages: 586 - 600

    

11. Small habitat matrix: How does it work?

    • Casey Keat-Chuan Ng
    • John Payne
    • Felicity Oram

    Perspective 11 September 2020 Pages: 601 - 614

    

12. Beyond ‘trees are good’: Disservices, management costs, and tradeoffs in urban forestry

    • Lara A. Roman
    • Tenley M. Conway
    • Jess Vogt

    Perspective 04 October 2020 Pages: 615 - 630

    

13. Understanding and managing the interactions of impacts from nature-based recreation and climate change

    • Christopher A. Monz
    • Kevin J. Gutzwiller
    • Catherine M. Pickering

    Perspective 04 October 2020 Pages: 631 - 643

    

14. Opinions of 12 to 13-year-olds in Austria and Australia on the concern, cause and imminence of climate change

    • Inez Harker-Schuch
    • Steven Lade
    • Rebecca Colvin

    Review 11 September 2020 Pages: 644 - 660

15. The literature landscape on peace–sustainability nexus: A scientometric analysis

    • Ayyoob Sharifi
    • Dahlia Simangan
    • Shinji Kaneko

    Review 26 September 2020 Pages: 661 - 678

    

16. Urban water and food security in this century and beyond: Resource-smart cities and residents

    • Jan-Olof Drangert

    Perspective Open access 01 October 2020 Pages: 679 - 692

    

17. Correction to: Urban water and food security in this century and beyond: Resource-smart cities and residents

    • Jan-Olof Drangert

    Publisher Correction Open access 16 January 2021 Pages: 693 - 694

18. Assessing four methods for establishing native plants on urban vacant land

    • Elsa C. Anderson
    • Emily S. Minor

    Research Article 18 September 2020 Pages: 695 - 705

    

19. How effective are River Basin Management Plans in reaching the nutrient load reduction targets?

    • Mikołaj Piniewski
    • Sirkka Tattari
    • Tomasz Okruszko

    Research Article Open access 27 September 2020 Pages: 706 - 722

    

20. We still need the wisdom of Ubuntu for successful nature conservation

    • J. Marc Foggin

    Comment 13 October 2020 Pages: 723 - 725

    

21. Ecological Conservation Redline will promote harmony between humans and nature in the future

    • Yan Wang
    • Jixi Gao
    • Lixia Wang

    Comment 17 January 2021 Pages: 726 - 727

22. Reviewer Acknowledgements

    Acknowledgements 29 January 2021 Pages: 728 - 732