24 October 2012 Last updated at 04:04 ET
Gas flaring target of London conference
Roger Harrabin
Environment analyst
The practice has caused political flare-ups in a number of oil-producing regions
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A conference in London on Wednesday aims to press oil firms to reduce gas flaring - the burning of natural gas at oil production sites
link-
http://www.bbc.co.uk/news/science-environment-20055041