Delegations from 192 countries are descending on Copenhagen for two
weeks of talks aimed at paving the way for a new global treaty on
climate change. BBC environment correspondent Richard Black looks at
what the talks are about and what they are supposed to achieve.
Why are the Copenhagen talks happening?
COP15 logo
The majority of the world's governments believe that climate change
poses a threat to human society and to the natural world.
Successive scientific reports, notably those from the Intergovernmental
Panel on Climate Change (IPCC), have come to ever firmer conclusions
about humankind's influence on the modern-day climate, and about the
impacts of rising temperatures.
Two years ago, at the UN climate talks held in Bali, governments agreed
to start work on a new global agreement.
The Copenhagen talks
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