UAE Minister of State Sultan Ahmed Al Jaber speaks during the opening ceremony of the 24th World Energy Congress in Abu Dhabi, United Arab Emirates, on Sept. 9, 2019. The 24th World Energy Congress (WEC) kicked off in Abu Dhabi on Monday, gathering participants from around 150 countries and regions to explore new energy, critical innovation and new strategies. (Photo: Xinhua)

Photo taken on Sept. 9, 2019 shows the opening ceremony of the 24th World Energy Congress in Abu Dhabi, United Arab Emirates. The 24th World Energy Congress (WEC) kicked off in Abu Dhabi on Monday, gathering participants from around 150 countries and regions to explore new energy, critical innovation and new strategies.

Younghoon David Kim, chair of the World Energy Council, speaks during the opening ceremony of the 24th World Energy Congress in Abu Dhabi, United Arab Emirates, on Sept. 9, 2019. The 24th World Energy Congress (WEC) kicked off in Abu Dhabi on Monday, gathering participants from around 150 countries and regions to explore new energy, critical innovation and new strategies.