The toughest of tasks at UN climate talks - the CO2 markets

Agreement on a market-based mechanism to allow countries to use international carbon offsets to meet goals set under the 2015 Paris climate agreement is among the most complex and most important of the tasks facing UN negotiators.

The next round of UN climate talks, postponed from last year because of the Covid-19 pandemic, begins on Oct 31 in Glasgow, Scotland.

What is Article 6?

Article 6 of the Paris agreement seeks to...