A 'coalition of the willing' to urge the world to drop fossil fuels

A group of 57 nations mostly from the Global South, describing themselves as "coalition of the willing" intent on making the Transition Away From Fossil Fuels, or TAFF, convened in the Colombian city of Santa Marta, from April 24-29, 2026, for the inaugural TAFF summit. Also referred to as the "Santa Marta Coalition," this group of countries met to discuss and develop frameworks and pathways for nations to phase out fossil fuel dependency.

Joining the Mongabay Newscast this week is Mamphela Ramphele, a medical doctor, activist and member of the Planetary Guardians, a network of experts advocating for the planetary boundaries as a measurement framework. Ramphele explains the highlights of the conference, which included the unveiling of a dedicated scientific panel to advise nations on developing road maps to transition off fossil fuels. The science panel includes experts such as Carlos Nobre from Brazil and Johan Rockström from Sweden, who pioneered the planetary boundaries concept.

The conference also saw the establishment of "workstreams" to help nations connect their phaseout road maps to their emissions reduction targets as part of their U.N. climate commitments; leverage support to change their financial systems for the transition; and reform trade systems.

Two nations in attendance, Colombia and France, announced their own phaseout road maps at the conference. Ramphele, from South Africa, suggests that as countries in the Santa Marta Coalition develop and implement their own road maps, other nations not yet on board will eventually be pressured to follow. Until a legally binding agreement, such as the one advocated for by the Fossil Fuel Non-Proliferation Treaty, this is the most immediate path forward, Ramphele says.

 "We champion for a legally binding agreement. We get the coalition of the willing to start implementing, and by both positive stories that come out of it and moral suasion, we get people to buy into it."

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Image Credit: Creek in the Colombian Amazon. Image by Rhett A. Butler/Mongabay.

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Timecodes

(00:00) A 'coalition of the willing' emerges

(12:13) Nations begin to announce phaseout roadmaps

(20:48) The pathway to a legally binding fossil fuel phaseout

(23:38) Looking ahead to the next conference