Holding the line: 1.5°C, overshoot, and the urgency of now
23 Sept 2025 | |
15:00 - 17:00 EDT | |
Live stream |
With global temperatures now brushing dangerously close to the 1.5°C limit set out in the Paris Agreement, this session at New York Climate Week asks what will it take – scientifically, legally, financially, and politically – to keep 1.5°C alive.

Join us on September 23, 15:00–17:00 EDT (21:00–23:00 CEST) via livestream for Holding the Line: 1.5°C, Overshoot, and the Urgency of Now, to hear:
Keynote presentation by Dr. Piers Forster, Director of the Priestley Centre for Climate Futures, on the latest science of limiting warming
Video presentation from Bill Hare, CEO of Climate Analytics
Panel discussion with Dr Jimmy Fletcher, CARICOM Climate Envoy; Dr Bernd Hackmann, Team Lead, Mitigation Division, UNFCCC; and Dr Simona Marinescu, UN Senior Advisor for the Antigua and Barbuda Agenda for SIDS 2024-2034.
- How the latest science and the ICJ’s advisory opinion could shape politics & capital flows
- The support vulnerable states need at this critical juncture
- How to align global action with the Paris Agreement’s long-term goals