Al Subaie has served in his ministerial role since 2024. In 2025, the ministry launched a National Adaptation Plan to address climate risks across multiple sectors through 27 measures, 125 actions and approximately 280 projects, as well as a 2025–2030 strategy to combat desertification. It also introduced a biodiversity database documenting more than 2,567 species. In June 2026, the ministry reported that surveys carried out between 2024 and 2026 across Qatari waters had identified 49 coral species across 22 marine sites, informing reef conservation and restoration efforts.