New Zealand bio-security and food safety authorities moved proactively this morning to announce the discovery of a brain disease that affects sheep.

The Independent's Sean O'Grady looks at what the UK's burgeoning population could mean for future generations.

Air NZ chief executive Rob Fyfe has lashed out at dithering over cutting emissions, described climate talks as a 'bureaucratic circus'.

Scientist Sir David King says carbon dioxide emissions need to be halved by the middle of the century.