Policymakers must ensure the supply of conventional energy sources alongside lower carbon ones as the energy transition marches on, according to Saudi Arabian Oil Co. (Aramco) CEO Amin Nasser.

The head of the state-owned oil behemoth has been warning of the threats to global energy security posed by underinvestment in oil and natural gas.

“Many of us have been insisting for years that if investments in oil and gas continued to fall, global supply growth would lag behind demand, impacting markets, the global economy, and people’s lives,” Nasser said at the Schlumberger Ltd. Digital Forum in Luzern, Switzerland, according to a transcript. 

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