Qatargas chief executive Sheikh Khalid bin Khalifa Al-Thani said in his keynote speech at WGC 2015 in Paris that the world's population is expected to rise to 8 billion in 10 years, fuelling energy-demand growth.

And since the most populous countries such as China and India are determined to reduce air pollution, LNG will play a larger role in helping them meet demand for cleaner energy.

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