To safeguard this most fundamental natural resource, we urgently need a global strategy for water as a common good.
Ngozi Okonjo-Iweala
Ngozi Okonjo-Iweala is director-general of the World Trade Organization, a former managing director at the World Bank, finance minister of Nigeria, chair of the vaccine alliance Gavi and African Union special envoy on Covid-19. She is also a distinguished fellow at the Brookings Institution.