In March 2025, QNB became the first bank in Qatar to announce its ambition to reach net zero by 2050 and to obtain independent external assurance on its scope 3 financed emissions. The group also issued its inaugural $880 million euro-denominated green bond, the largest by a GCC bank, in 2025. By the end of 2025, its sustainable financing portfolio surpassed $11.4 billion and its subsidiary, QNB Türkiye, had issued the world's first ICMA-aligned climate transition bond. Al-Khalifa assumed his role in 2018.