Key points
- Gerard Barron of DeepGreen and Yale’s Cary Krosinsky identify climate change as the top existential environmental crisis, citing recent protests including 500,000 marchers in Montreal.
- They note that water, biodiversity, forests, oceans, coral reefs and food security are interconnected risks alongside climate change.
- Barron argues that land-based sourcing of the metals in question carries significant biodiversity risk, and that there may not actually be a trade-off with alternative sourcing methods.