Luke spoke at the Climate Tipping Point plenary session at University of Exeter Tipping Points conference alongside other speakers including:
- Ricarda Winkelmann – Tipping points: warning signs from the polar ice sheets
- Stefan Rahmstorf – Is the Atlantic Overturning Circulation approaching a tipping point?
- Niklas Boers – Anticipating Critical Transitions in the Earth System
- Ashish Ghadiali – Climate justice in the light of tipping point risks