Aspen Ideas: Climate Adds Exciting New Speakers to 2024 Lineup, with Dr. Katharine Hayhoe, Angela Williams, Mayor Justin Bibb, Gina McCarthy, Michael Polsky, & More

December 11, 2023

Hundreds of inspiring climate leaders and innovators will gather in Miami Beach next spring to explore climate solutions; early bird tickets are available through the end of December.


Miami Beach, FL, December 11, 2023 – The Aspen Institute and the City of Miami Beach today announced the latest speaker list for Aspen Ideas: Climate, which takes place from March 11-13, 2024. 

Aspen Ideas: Climate 2024 will feature a dynamic combination of main stage events, breakouts, roundtables, excursions, and arts programming focused on mitigating and adapting to climate change. Our 2024 programming will explore five key themes: cutting edge climate technologies; innovative design; strategies and tools to finance a sustainable future; elevating grassroot strategies created by communities directly touched by the climate crisis; and narratives of change: captivating stories that inspire change from some of the most unanticipated sources. 

Confirmed speakers include:

  • James Abraham, Founder & Chairman, Mynzo Carbon
  • Mayor Justin Bibb, City of Cleveland, Ohio
  • Lily Brooks-Dalton, Author, The Light Pirate
  • Katharine Hayhoe, Chief Scientist, The Nature Conservancy
  • Hilton Kelley, Founder, Community In-Power and Development Association Inc.
  • Mayor Daniella Levine Cava, Miami-Dade County, Florida
  • Gina McCarthy, Former White House National Climate Advisor and EPA Administrator
  • Mayor Jon Mitchell, New Bedford, Massachusetts
  • Jenny Offill, Editor and Author, Weather 
  • Nathan Ohle, President & CEO, International Economic Development Council
  • Michael Polsky, Founder and CEO, Invenergy
  • Mitzi Rapkin, Writer and Journalist
  • Brad Ringeisen, Executive Director, Innovative Genomics Institute
  • Jake Sherman, Professor and Chair of Philosophy and Religion at California Institute of Integral Studies
  • Shara Ticku, CEO and Co-Founder, C16 Bio Sciences
  • Dragan Tutic, CEO and Co-Founder, Oneka Technologies
  • Carla Walker-Miller, Founder and CEO, Walker-Miller Energy Services
  • Angela Williams, President & CEO of United Way Worldwide
  • C Pam Zhang, Author, Land of Milk and Honey

Additional names will be announced over the coming months. Speakers will be interviewed by some of the nation’s leading climate journalists, including TIME Senior Correspondent Justin Worland; Cipher Executive Editor Amy Harder; and Miami Herald Lead Climate and Environment Reporter Alex Harris.

“Early Bird” tickets to the third Aspen Ideas: Climate are on sale until the end of the year, and press registration is open now. The Future Leaders Climate Summit takes place from March 9-11, bringing together hundreds of the next generation of climate leaders to discuss policy, communications, advocacy, and individual action with climate and energy experts.

As part of organizers’ commitment to sustainable programming, Aspen Ideas: Climate has partnered with ClimeCo to offset the event’s carbon emissions, funding greenhouse gas abatement projects in Florida. Aspen Ideas: Climate is supported by title sponsors John S. and James L. Knight Foundation, The Related Group, and the Jorge M. Pérez Family Foundation. Additional sponsors include Howard and Caroline Draft, Ami and Jack Glottman, Greater Miami Convention & Visitors Bureau, Lennar Foundation, LSN Partners, Miami-Dade County, and the Miami Beach Visitor and Convention Authority.


The Aspen Institute is a global nonprofit organization whose purpose is to ignite human potential to build understanding and create new possibilities for a better world. Founded in 1949, the Institute drives change through dialogue, leadership, and action to help solve society’s greatest challenges. It is headquartered in Washington, DC and has a campus in Aspen, Colorado, as well as an international network of partners. For more information, visit

World-famous Miami Beach welcomes millions of visitors each year to its white, sandy beaches, turquoise waters and vibrant cultural scene. Known for its colorful art deco and MiMo architecture, the 7.2-square-mile island offers some of the finest dining and hotel experiences anywhere along with a beautiful oceanfront promenade that connects South Beach to North Beach. Steps away from the Atlantic Ocean and Biscayne Bay, Miami Beach is also at the forefront of identifying workable solutions to meet the challenge of sea level rise.

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