From BBC:

"As this year's UN climate summit opens, some of the developing world's biggest greenhouse gas emitters are bidding to delay talks on a new global agreement.

To the anger of small islands states, India and Brazil have joined rich nations in wanting to start talks on a legal deal no earlier than 2015.

The EU and climate-vulnerable blocs want to start as soon as possible, and have the deal finalised by 2015."

Read more here.