This year’s climate conference will be held from November 10 to 21, 2025, in Belém, Brazil. The event will showcase innovative ideas and meaningful actions to achieve global climate adaptation goals together. Our expert perspectives and actionable solutions empower businesses, communities, and governments to identify, assess, and respond to climate-related challenges, fostering resilience and sustainable growth in a dynamic environment. This commitment embodies our purpose: to equip our clients with the confidence to face risks, seize opportunities, and thrive amid uncertainty.
Our events
Driving change through collaboration
The Marsh McLennan presence at COP30 underscores our commitment to helping clients and communities build climate resilience, navigate the transition, and thrive in a changing world. We understand that the decisions and trends emerging from COP30 will shape the regulatory landscape and the scale of climate impacts in the years ahead.
Race to Resilience – Resilience Hub Blue Zone Pavilion
The Resilience Hub at COP30 - COP Resilience Hub
Monday November 10th
3.15 pm – 6 pm
Identify, assess, respond: The role of insurance and risk management in advancing national adaptation planning.
Tuesday, November 11
9.30 am – 10.30 am
How the combination of insurance and nature can unlock adaptation capital.
The House of Insurance at COP30 in collaboration with CNSeg
Casa do Seguro – Transformando ideias em soluções na COP30
Wednesday November 19th
10h00 – 11h00
Building city resilience in Latin America.
11h00 – 12h00
The importance of nature and water.
World Climate Foundation
World Climate Summit | COP30 in Belém
Thursday, November 13
World Climate Summit
9.15 am – 10.15 am
Scaling carbon pricing and trading for global decarbonization.
Friday, November 14
World Climate Impact Hub (Blue Zone)
11.15 am – 12.15 pm
Adaptation: Public burden or private opportunity?
Our capabilities
Addressing climate risks with Marsh McLennan
As climate-related risks continue to grow and evolve, it is important to partner with a trusted advisor with the scale, reach, and capabilities needed to navigate these challenges. As a thought leader in the space, Marsh McLennan provides:
- Unparalleled expertise: Benefit from our deep understanding of climate-related risks and our solutions to mitigate these challenges.
- Global reach: With a vast network of specialists and resources worldwide, we can support organizations across diverse industries and geographies.
- Comprehensive capabilities: Our integrated approach combines risk management, strategy consulting, and human capital solutions.
- Innovative solutions: Leverage our cutting-edge tools and technologies to assess, manage, and respond to climate and nature risks more effectively.
Marsh McLennan
Proactive risk management
Sentrisk™ is an AI-powered platform that integrates best-in-market data capabilities and infuses 150+ years of Marsh McLennan risk expertise to empower companies to take control of their supply chain risk in the face of a changing climate.
Mercer
Sustainable investment strategies
Mercer can evaluate your portfolio through multiple lenses, ensuring every investment decision you make considers the most pressing global themes like climate change.
Oliver Wyman
Sophisticated reporting capabilities
Our 3D Carbon Accounting team delivers emissions reporting to leaders in sustainability, validating SBTi targets and preparing for regulatory disclosures.
Guy Carpenter
Climate advisory and modeling services
The GC CLIMACAT tool quantifies the physical impact of climate change on modeled losses, based on scientific insight and supporting regulatory requirements and internal risk management strategies.
Marsh McLennan
Proactive risk management
Sentrisk™ is an AI-powered platform that integrates best-in-market data capabilities and infuses 150+ years of Marsh McLennan risk expertise to empower companies to take control of their supply chain risk in the face of a changing climate.
Mercer
Sustainable investment strategies
Mercer can evaluate your portfolio through multiple lenses, ensuring every investment decision you make considers the most pressing global themes like climate change.
Oliver Wyman
Sophisticated reporting capabilities
Our 3D Carbon Accounting team delivers emissions reporting to leaders in sustainability, validating SBTi targets and preparing for regulatory disclosures.
Guy Carpenter
Climate advisory and modeling services
The GC CLIMACAT tool quantifies the physical impact of climate change on modeled losses, based on scientific insight and supporting regulatory requirements and internal risk management strategies.
Our perspective
Leading the conversation
Our expert perspectives and actionable strategies empower business leaders to navigate climate- and nature-related challenges. Explore the insights below to better identify and assess climate risks — and build a more sustainable and resilient future.
Marsh
Visit our global hub to understand climate resilience and adaptation in the context of your business.
Mercer
Read the latest insights, ideas and strategies to help you integrate sustainability considerations into your investment strategy and portfolios.
Oliver Wyman
Explore how companies can convert climate challenges into opportunities with commercially smart transitions to net-zero.
Guy Carpenter
Find live-event, post-event, seasonal outlooks and thought leadership regarding natural catastrophes.
See how we can help you address your climate-related challenges