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(All times pm unless stated.)

The Last Supper (6.55 R3). Harrison Birtwistle’s new "operatorio", live from Glyndebourne.
Question of Science – After Kyoto (8.05 World Service, repeated Saturday 2.05 am, Monday 3.05). Richard Black asks three experts to assess the progress (or lack of it) in implementing the 1997 Kyoto protocol to tackle global warming.
I Have a Right to… (8.30, repeated Saturday 2.30 am World Service). Rebel groups and human rights: Rageh Omaar investigates. Visit the website.
Night Waves (9.30 R3). Translating Tolstoy, and Scots poet Caroline Smith.