Japan's new emperor Naruhito takes throne

The enthronement in Japan of Emperor Naruhito has kicked off a new era in the country. We assess the health of Japan's economy with economist Yoko Ishikura. And the former boss of Japanese electronics giant Olympus, Michael Woodford, tells us how he thinks Japan can recover its economic mojo. Also in the programme, following recent widespread environmental protests in the UK, British MPs have been debating whether to declare a so-called climate emergency. The environmental campaigner George Monbiot tells us whether he thinks the Extinction Rebellion protests have achieved anything. Plus the woman known as the "godmother of samba", Beth Carvalho, has died at the age of 72. Thomas Pappon is editor of the Brazilian service at the BBC World Service and discusses the role Ms Carvalho had in making samba popular again, and turning it into a business.

(Picture: Emperor Naruhito and his wife Empress Masako. Picture credit: Reuters.)