Nearly 200 countries rescue climate deal from jaws of defeat after UN's COP29 summit ran into overtime in Baku.

The broad idea is that countries - mainly wealthy polluters - can buy carbon credits from other nations that are doing better on their own emissions-cutting targets. The initiative, known as Article 6, includes both direct country-to-country trading and a separate UN-backed marketplace.

Dramatic day saw prolonged negotiations, walkouts by vulnerable nations and protests echoing through corridors

BAKU, Nov 23 (Reuters) - Country delegates at COP29 met for a plenary Saturday night to agree on some aspects of this year's negotiations, while their teams continued to work on the summit's centerpiece topic: agreeing a new target for annual climate finance.

Countries at COP29 conference in Baku agreed to an annual $300 billion finance target to help poorer nations tackle climate change effects, replacing the $100 billion goal set for 2020. This deal faced mixed reactions,

But as exciting as it was, attending this climate summit also came with its challenges—starting with just getting to the venue – the Olympic Stadium. The first morning of the conference, I left the hotel armed with a map on the phone and what I thought was a good sense of direction.

This year's U.N. climate summit delivered a deal on climate finance two days past deadline, after two weeks of tense negotiations.

The European Union, United States and other wealthy countries at the COP29 climate summit have agreed to raise their offer of a global finance target to $300 billion per year by 2035, sources told Reuters on Saturday.