Urgent Action Needed

Climate campaigners urge action
Thousands of people rally in London to call for world leaders to take urgent action on climate change.
http://news.bbc.co.uk/go/em/-/2/hi/uk_news/6116058.stm

Greenhouse gases hit record high
The steady rise in atmospheric levels of the greenhouse gases blamed for climate change shows no signs of abating, a UN agency has announced.
http://news.bbc.co.uk/go/em/-/2/hi/science/nature/6114250.stm