Key points
- DeepGreen CEO Gerard Barron tells Yale/Brown lecturer Cary Krosinsky that the low-carbon transition needs significantly more metals than today’s supply.
- Barron says land ore grades are falling, pushing mining into more biodiverse habitats and releasing more carbon as CO2.
- He argues continued reliance on land-based metal sources risks biodiversity, biomass and CO2 impacts that could outweigh the benefits of the green transition.
