Climate Shift, Whales

Climate set for 'sudden shifts'
Many climate systems will undergo a series of sudden shifts this century as a result of human-induced climate change.
http://news.bbc.co.uk/go/em/-/2/hi/science/nature/7227080.stm

Calls for climate change minister
A ministerial 'champion' is needed to co-ordinate governmental efforts on climate change, MPs say.
http://news.bbc.co.uk/go/em/-/2/hi/science/nature/7227585.stm

US judge reinstates sonar curbs
A US judge reimposes curbs on sonar which aim to protect whales, overturning a waiver by President Bush.
http://news.bbc.co.uk/go/em/-/2/hi/americas/7227708.stm