United Nations, Sep 23 - Asserting that India has not caused the climate change problem in any way, External Affairs Minister S.M. Krishna said New Delhi will be part of the solution, but the outcome must be rooted in equity.

'We have a major interest in ensuring a substantive and constructive outcome in Copenhagen,' he said ahead of crucial talks in Copenhagen in December, when nations will try to reach a new global treaty to address climate change.

'We will be part of the solution, even though India has not caused the problem in any way,' he said at a Round Table during the Climate Change meeting at the UN Tuesday.

But 'the outcome must be rooted in equity and respect the provisions and principles of the Convention, especially common but differentiated responsibilities and also historical responsibility,' Krishna said.

'It must also ensure that developing countries can pursue accelerated development, also so that they have the resources to cope and adapt to climate change,' he said noting India faces one of the most enormous development challenges in the world.'

Underlining the fundamental fact that unsustainable lifestyles and patterns of production and consumption in the developed world have caused climate change, Krishna said: 'This cannot continue.