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Climate salvation from low-soot stoves?

The International Herald Tribun, reporting 17 April 2009 notes that

Replacing traditional stoves in Africa and Asia with low-soot varieties would buy time in the fight against climate change. But the acceptability of such new stoves to the rural poor is an obstacle.

Black carbon has newly emerged as the second biggest contributor to climate change. It is responsible for an estimated 18 per cent of warming compared with 40 per cent for carbon dioxide.

Image Legend:  Cooking with a traditional biomass stove in Bangladesh Credit: Flickr/bongo vongo

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Q:  What is your perspective on the contribution of these sources of particulates in climate change, overall?