Richer nations accused of stalling progress on climate crisis

Brazil, India and China singled out in UN talks as acting to block agreement on article 6 of Paris agreement

Poor countries have accused a handful of richer nations of holding up progress on tackling the climate crisis at UN talks in Madrid, as demonstrators and activists vented their frustration in the final hours of two weeks of negotiations.

The talks, which had been due to end on Friday, dragged on with negotiators still battling on Saturday to salvage a result, as governments wrangled over the details of a seemingly arcane issue: carbon markets, governed by a provision of the 2015 Paris agreement known as article 6.