A team of Norwegian scientists has spent the winter on a research ship in the Arctic examining the sea ice. They say it's becoming thinner. Show more

A weekly showcase of the best reports from the BBC's global network of correspondents. David Shukman is in Beijing with a special programme looking at the future of fuel. Show more

A weekly showcase of the best reports from the BBC's global network of correspondents. David Shukman is in Beijing with a special programme looking at the future of fuel. Show more

Featuring news on issues around the world. David Shukman goes on board the British research ship James Cook amid signs of a global race to mine the ocean floor. Show more

The BBC's on-air editors answer more challenging questions. In this programme: China - friend or foe? And is nothing sacred in man's relentless drive for development? Show more

The BBC's on-air editors take an in-depth look at energy, tackling some of the big questions which challenge the politics, business and future of energy in the UK. Show more

The BBC's specialist on-air editors answer some of the big questions about world events. Topics in this edition include the future of Iraq, and whether London is bad for Britain. Show more