Lisa Sachs

Director, Columbia Center on Sustainable Investment, Columbia University

Lisa Sachs

How Ethiopia can make COP32 the summit that actually delivers

How Ethiopia can make COP32 the summit that actually delivers

30 Jul 2026

6 min read

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

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Down To Earth

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