Ten Things You Need To know About The Copenhagen Summit

1The Copenhagen Summit Aims To limit global average temperature rises to no more than 2C by stabilizing atmospheric concentrations of carbon dioxide at or below 450 parts per million. With no action, they will rise by 6C by 2100.

2 To achieve this, global greenhouse gas emissions will need to fall from their present level of around 47 billion tonnes per year Thurs below 20 billion tonnes in 2050. To set the world has such a pathway, by Sir Nicholas Stern has suggested total emissions need to be at 35 billion tonnes by 2030 and about 44 billion tonnes by 2020. To put this in context, over the past ten years, global carbon dioxide emissions have Risen by almost 30 per cent.

3 The real wrangling at Copenhagen will be over how to carve up this "carbon budget" between different countries. Read More.http://www.timesonline.co.uk/tol/news/environment/article6946367.ece

4 China has now outstripped America as the world's biggest emitter, with about 21 per cent of the total. However, it will not agree Thurs outright cuts but Merely the "carbon intensity" of its economy

Ten Things You Need To know About The Copenhagen Summit