Lisa Sachs

Director, Columbia Center on Sustainable Investment, Columbia University

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Lisa Sachs

Flood damage in Tanzania.

Climate finance has failed Africa twice over — how to fix it

18 Mar 2026

6 min read

Afreximbank and Trade and Development Bank were created to fill a gap in Africa’s access to critical development finance.

Africa’s development banks being undermined: Continent will pay the price

30 Jun 2025

4 min read

Down To Earth

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