In pics: 10th Arab Energy Conference in Abu Dhabi

At the opening session of the 10th Arab Energy Conference in Abu Dhabi, the UAE Energy Minister Suhail bin Mohamed al-Mazroui said that 'irresponsible' levels of output by producers from outside the OPEC oil cartel were among the main causes of the slump in prices.
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United Arab Emirates Energy Minister Suhail bin Mohamed al-Mazroui (C) delivers a speech during the opening session of the 10th Arab Energy Conference in Abu Dhabi, on December 21, 2014. 'Irresponsible' levels of output by producers from outside the OPEC oil cartel is among the main causes of the slump in prices, the United Arab Emirates energy minister told the energy forum. (AFP/Getty Images)
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Saudi Oil Minister Ali al-Naimi (R) stands with Bahraini Oil Minister Abdulhussain bin Ali Mirza during the opening session of the 10th Arab Energy Conference in Abu Dhabi, on December 21, 2014. 'Irresponsible' levels of output by producers from outside the OPEC oil cartel is among the main causes of the slump in prices, the United Arab Emirates energy minister told the energy forum. (AFP/Getty Images)
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Saudi Oil Minister Ali al-Naimi (2nd-L) speaks with an unidentified official as he walks with Kuwaiti Oil Minister Ali Saleh al-Omair (2nd-R) and United Arab Emirates Energy Minister Suhail bin Mohamed al-Mazroui (R) during the opening session of the 10th Arab Energy Conference in Abu Dhabi, on December 21, 2014. 'Irresponsible' levels of output by producers from outside the OPEC oil cartel is among the main causes of the slump in prices, the United Arab Emirates energy minister told the energy forum. (AFP/Getty Images)
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Qatar Oil Minister Mohammed bin Saleh Al-Sada (L), Saudi Oil Minister Ali al-Naimi, and United Arab Emirates Energy Minister Suhail bin Mohamed al-Mazroui (R) attend the opening session of the 10th Arab Energy Conference in Abu Dhabi, on December 21, 2014. 'Irresponsible' levels of output by producers from outside the OPEC oil cartel is among the main causes of the slump in prices, the United Arab Emirates energy minister told the energy forum. (AFP/Getty Images)
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Secretary General of Organization of Petroleum Exporting Countries (OPEC), Abdalla Salem el-Badri (R) attends the opening session of the 10th Arab Energy Conference in Abu Dhabi, on December 21, 2014. 'Irresponsible' levels of output by producers from outside the OPEC oil cartel is among the main causes of the slump in prices, the United Arab Emirates energy minister told the energy forum. (AFP/Getty Images)
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Secretary General of Organization of Petroleum Exporting Countries (OPEC), Abdalla Salem el-Badri (L) speaks to an unidentified official during the opening session of the 10th Arab Energy Conference in Abu Dhabi, on December 21, 2014. 'Irresponsible' levels of output by producers from outside the OPEC oil cartel is among the main causes of the slump in prices, the United Arab Emirates energy minister told the energy forum. (AFP/Getty Images)
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Iraqi Oil Minister Adel Abdul-Mehdi (R) sits next to Bahraini Oil Minister Abdulhussain bin Ali Mirza (L) during the opening session of the 10th Arab Energy Conference in Abu Dhabi, on December 21, 2014. 'Irresponsible' levels of output by producers from outside the OPEC oil cartel is among the main causes of the slump in prices, the United Arab Emirates energy minister told the energy forum. (AFP/Getty Images)