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Qatar's capital Doha set to host UN climate talks

Some 17,000 participants are due to attend the latest round of UN climate talks later in Qatar's capital, Doha.
Over the next two weeks they will be negotiating a new global deal on climate, but there are ongoing tensions between rich and poor countries.
The choice of venue has surprised many, as oil-rich Qatar has some of the highest per capita emissions of carbon dioxide (CO2) in the world.
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