21. How can we better understand environmental change? (Timm Hoffman)
20. Is renewable energy better for biodiversity? (Alexandros Gasparatos)
19. Is aquaculture good or bad for the environment? (Roz Naylor)
18. Can we balance people's and nature's water needs? (Jenny Day)
17. Are we conserving for the right reasons? (Sharachchandra Lele)
16. How do we cultivate enthusiasm for nature? (Steven Lowe)
15. Is conservatism better for conservation? (Quill Robinson)
14. How do conservationists keep going? (Widar Narvelo & Grant Pearsell)
13. Does biodiversity prevent pandemics? (Dan Salkeld)
12. Is hype distorting science? (Randy Schekman)
