First broadcast: on BBC NewsLatest broadcast: on BBC News
Stephen Sackur talks to Mark Lynas, a veteran green activist who once led a campaign to vandalise genetically modified crops but now says that GM food is safe and necessary. Show more
First broadcast: on BBC News North AmericaLatest broadcast: on BBC News Europe
Mark Lynas is a veteran green activist who made a U-turn on GM technology and nuclear power. He says he's junked ideology in favour of hard science. Is it really as simple as that? Show more
First broadcast: on BBC One HDLatest broadcast: on BBC One Wales
Nicky Campbell presents a special pre-recorded edition from Ashton Park School in Bristol, focusing on the environment and asking: Has man's dominion been good for the planet? Show more
