In the 6th edition of Environmental Change and Challenge: A Canadian Perspective
: Oxford University Press provides student resources , including chapter summaries and key term flashcards. Environmental Change and Challenge 6th Edition: Dearden
This section lays the scientific groundwork. Chapters on biogeochemical cycles (carbon, nitrogen, phosphorus) are updated with the latest IPCC data. The discussion of —the nine thresholds that humanity must not cross—is entirely rewritten to reflect the 2023 updates showing that six boundaries have now been exceeded.
If you are a university student in geography, environmental studies, planning, or sustainability, you might ask: "Why not just read the IPCC reports or watch YouTube summaries?"
: Foundations of resources and global change.