On 29 October 2025, the The Lancet Countdown will publish its 9th annual indicator report in The Lancet.

The 2025 Global Report of the Lancet Countdown provides the most comprehensive assessment to date of the connections between climate change and health. Representing the work of 128 leading experts from 71 academic institutions and UN agencies globally, it provides critical insights and serves as a key resource in the lead-up to COP30 in Brazil.

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We are honoured to welcome a distinguished lineup of speakers.

Keynote remarks from:

• Dr Tedros Adhanom Ghebreyesus, Director-General, World Health Organization
• Rt Hon Helen Clark, Former Prime Minister of New Zealand, Patron of the Helen Clark Foundation, and member of The Elders
• Rt Hon Julia Gillard, Former Prime Minister of Australia and Chair of Wellcome

Presentations by:

• Dr Marina Romanello, Executive Director of the Lancet Countdown
• Professor Stella Hartinger, Director of the Lancet Countdown Latin America

Panel discussion featuring:

• H.E. Dr Jean Kaseya, Director, Africa CDC
• Laura Clarke, CEO, ClientEarth
• Dr Jeremy Farrar, Assistant Director-General, Health Promotion and Disease Prevention and Care, WHO

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