State of the Planet

News from the Columbia Climate School

The Sources and Uses of Climate Finance

This story was published as part of our Climate Week NYC coverage. Learn more about Climate Week, read our other stories, and check out our upcoming events.

Achieving the objective agreed in the Paris Agreement to limit global temperature increases to 1.5°C requires wholesale structural change. We need credible government policy, net zero plans from companies and all forms of finance—public, private, and blended capital—to transform economies. With recent action from governments and major commitments from private finance to align all their lending and investment with net zero, we are on the cusp of realizing a sustainable revolution.

In this talk, Mark Carney, UN Special Envoy for Climate Action and Finance discusses the quantum of capital required for the transition, the finance available for investment today, and the structures and markets we need to develop to unlock financial flows to the projects and countries where it is needed most.

Full transcript can be read here.

Photo of the Earth from space with the text "Lamont at AGU25" on top.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More

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