In pictures: World Green Economy summit in Dubai

The World Green Economy summit at Dubai exhibition center was attended by Laurent Fabius, President of COP21
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Saeed Mohammed Ahmed Al-Tayer, CEO of Dubai Electricity and Water Authority, speaks during the closing session of the World Green Economy summit at Dubai exhibition center on October 6, 2016. (Nezar Balout/AFP/Getty Images)
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Laurent Fabius (R), President of COP21, and Ahmed Buti al-Muhairbi (L), Secretary General of the Dubai Supreme Council of Energy (DSCE), attend the closing session of the World Green Economy summit at Dubai exhibition center on October 6, 2016. (Nezar Balout/AFP/Getty Images)
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Laurent Fabius, President of COP21, speaks during the closing session of the World Green Economy summit at Dubai exhibition center on October 6, 2016. (Nezar Balout/AFP/Getty Images)
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(L to R) Yvo de Boer, former United Nations climate chief, Ahmed Buti al-Muhairbi, Secretary General of the Dubai Supreme Council of Energy (DSCE), Laurent Fabius, President of COP21, and Michael Weinhold, CTO Energy Management Division at Siemens, attend the closing session of the World Green Economy summit at Dubai exhibition center on October 6, 2016. (Nezar Balout/AFP/Getty Images)
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(L to R) Yvo de Boer, former United Nations climate chief, Ahmed Buti al-Muhairbi, Secretary General of the Dubai Supreme Council of Energy (DSCE), Laurent Fabius, President of COP21, and Michael Weinhold, CTO Energy Management Division at Siemens, attend the closing session of the World Green Economy summit at Dubai exhibition centre on October 6, 2016. (Nezar Balout/AFP/Getty Images)
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(L to R) Yvo de Boer, former United Nations climate chief, Ahmed Buti al-Muhairbi, Secretary General of the Dubai Supreme Council of Energy (DSCE), Laurent Fabius, President of COP21, and Michael Weinhold, CTO Energy Management Division at Siemens, attend the closing session of the World Green Economy summit at Dubai exhibition center on October 6, 2016. (Nezar Balout/AFP/Getty Images)
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Laurent Fabius (C), President of COP21, and Ahmed Buti al-Muhairbi (L), Secretary General of the Dubai Supreme Council of Energy (DSCE), and Michael Weinhold (R), CTO Energy Management Division at Siemens, attend the closing session of the World Green Economy summit at Dubai exhibition center on October 6, 2016. (Nezar Balout/AFP/Getty Images)