Our Changing World for Thursday 15 December 2005

9:46 PM.How doctors cope with having to tell somebody that they can't do anything for them. Audio

9:35 PM.Dean Williams looks at policy and legislation that aims to protect the marine environment. Audio

9:06 PM.The second episode in a series about climate change discusses the greenhouse gases methane and nitrous oxide. Researchers working on these gases explain how their emissions could be reduced. Audio