The chief climate negotiator of the US administration is accompanying Clinton on her India visit.

She said they would have 'more intense discussions' on the subject with Indian officials in 'both public and private sectors' during her trip that will take her to New Delhi Sunday.

The move towards a low-carbon economy assumes significance because excess carbon dioxide in the atmosphere -- emitted during industrial activities, mainly power generation -- is the main greenhouse gas leading to climate change.

Developed and developing countries are ranged against each other in global climate negotiations. Developing countries say developed countries must reduce their emissions first, because that is what has led to climate change.

Developed countries point out that China is the world's largest emitter now and India the fourth largest, and whatever they do will have little impact on future climate change unless major emerging economies get off the high-carbon use economic path.