PLEASE NOTE: We are unable to offer transcripts for our programme interviews. Today is broadcast live and the running order is subject to change.
The UK may have to cut emissions of greenhouse gases by 90% by 2050 so the aviation sector can continue to grow. And the world will suffer another financial crisis, former Federal Reserve chief Alan Greenspan has told the BBC.
China's health minister says the nation is facing a "grim" situation as it tries to contain a rapid surge in swine flu. Correspondent Quentin Sommerville reports on the acceleration of outbreaks of flu since the country's schools reopened.
The Conservative leader David Cameron and shadow foreign secretary William Hague have been recorded by the BBC making an aside about the election result in Afghanistan. Political editor Nick Robinson reports what was said in the green room ahead on Cameron's speech on spending cuts.
Global aviation emissions should be capped during the forthcoming Copenhagen climate talks, the government's official climate advisers, the Climate Change Committee (CCC) says. Hugh Raven, commissioner of the Sustainable Development Commission, discusses whether the aviation industry has failed to play its full part in reducing emissions.
A new charity is being launched to give guidance for people who witness street crime and other offences on what they should do. Guy Dehn, director of Witness Confident, discusses his suggestions, that communities should stage "mock muggings" to see how passers by react, with Paul Fawcett, head of communications at Victim Support.
Does the recession mean big mergers - such as those proposed between Kraft and Cadbury, T-Mobile and Orange - are more likely to get past competition authorities? Business editor Robert Peston and Alastair Mordaunt, director of mergers at the Office of Fair Trading, consider whether economic recovery is more important than "fair" competition.
A narrow boat from the 1930s is being used as a rather unusual stage for a series of concerts up the Grand Union Canal. Reporter Nicola Stanbridge listens to the folk and ambient music inspired by the once thriving trade route from London to Birmingham to be performed.
There has been clear and convincing evidence of fraud in the elections in Afghanistan, the UN team say. Correspondent Chris Morris reports on what happens next in the election process. Mark Sedwill, Britain's ambassador in Kabul, discusses the call for a number of recounts and audits of votes.
The UK may have to cut emissions of greenhouse gases by 90% by 2050 so the aviation sector can continue to grow. David Kennedy, chief executive officer of the Committee on Climate Change, and former Labour minister Brian Wilson, now of the aviation industry coalition Flying Matters, discuss whether air fares should be increased.
President Obama says he intends "to get something done this year" on US healthcare reform, ahead of a key speech to Congress. North America editor Mark Mardell reports on how both sides are now throwing everything and everyone into the fight.
The UK jobs market is starting to show signs of recovery, according to a survey of recruitment agencies. Kevin Green, chief executive of the Recruitment and Employment Confederation, and Michael Saunders, chief UK economist at Citigroup, discuss whether a quick upturn in the economy is underway.
What do prescription shades, drying a dog, seeing frogspawn, and tormenting people who cold call with the offer of a new kitchen have in common? Tom Priestley, son of famous author JB Priestley, and comedian Alexei Sayle discuss some of the simple, modern delights of life.
Draft international guidelines on teaching sexual health have been condemned by some pressure groups in the US for promoting abortion and advocating masturbation to young children. Mark Richmond, global co-ordinator for HIV/Aids at UN organisation Unesco, discusses the aims of the guidelines.
The remastered work of the Beatles has been released. Music writer and author Peter Doggett discusses whether, four decades on from their heyday, it is time to move on or right to continue celebrating the Fab Four's contribution to popular music.
Do our leaders' strengths as political candidates inevitably turn into weaknesses as statesmen? Catherine Mayer, London bureau chief of Time Magazine, and Jonathan Freedland of the Guardian, discuss the contrast between the strengths and weaknesses of Gordon Brown and Barack Obama.
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