Perhaps the most unsettling lesson from the closure of the Strait of Hormuz is the gap between what we knew and how we prepared. Countries should use whatever easing of immediate pressures occurs to strengthen resilience before the next shock arrives. Oleh Máximo Torero

Despite calls for mediation, the grouping has remained fragmented, highlighting its role as a ‘club’ like the G7 rather than a forum for collective action.. Oleh Carlos Frederico Pereira da Silva Gama

The Covid-19 pandemic and the wars in Ukraine and Iran have reframed the issue of sustainability, which is now as much about sovereignty and economic security as it is about planetary health. Countries and companies that fail to recognise this have everything to lose in the coming years. Oleh Bruno Bouygues dan Bertrand Badré

Hepatitis C treatment is no longer prohibitively expensive in the Global South because Malaysia, Thailand, Egypt and the Drugs for Neglected Diseases initiative developed ravidasvir – a low-cost antiviral. Such breakthroughs are possible for other neglected diseases if low- and middle-income countries agree to act collectively. Oleh Timothy Radcliffe