The Agenda: Global briefings

Geopolitics/Our new security correspondent assesses the risks and rewards for global security in 2025.

Affairs/Nuuk’s new airport, South Korean air defence and the future of war in Ukraine.

Business/The world’s first inflatable cycle helmet, rock climbing-inspired accessories and more.

Culture/Golden Globe-winning actress Fernanda Torres and Vatican artwork.

Design & Urbanism/A cosy housing project in Greenland and a botanical garden in Belgium.