If Russia's war on Ukraine continues to escalate, could nuclear weapons enter the picture? Emma Belcher looks at the risk and what we can do to reduce the threat.

Can the world actually move away from fossil fuels?

Brian Hanson talks with Penny Abeywardena and Henri-Paul Normandin about cities' diplomatic agendas.

Jonathan Schachter and Tamara Cofman Wittes examine how Israel's foreign policy has changed and how its relationships will shape the future.

The Good Friday Accords may have reduced violence, but decades later sectarian tensions still run high.

Wendy Cutler and Noah Barkin join Brian Hanson to examine how the new investment deal will influence US foreign policy.

The first COVID-19 vaccinations have been given around the world, but there's still a long road ahead.

CFR's Mira Rapp-Hooper explains why NATO is still essential for America’s global leadership – but must be remade to meet the challenges of the 21st century.

Judd Devermont and Neil Munshi explain why Mali's instability is a threat to Africa's Sahel region.

Maha Yahya and Emile Hokayem describe political corruption and financial crisis in Lebanon and how a system built on sectarian politics could be rebuilt.