Environmental Management

The Company strictly complies with the environmental laws and regulations of the countries and regions where it operates. It has established a standardized environmental management mechanism and set up dedicated management departments within its subsidiaries to promote the implementation of environmental protection initiatives. All  subsidiaries have well-established HSE management systems, and Tianjin Branch has obtained GB/T 24001-2016/ISO 14001:2015 environmental management system certification.

In 2024, CNOOC Limited experienced no environmental incidents and incurred no administrative penalties related to environmental pollution.

The Company prioritizes environmental awareness and training. In 2024, the Company achieved 100% training coverage for personnel involved in environmental efforts. During the "Beautiful CNOOC and Green Development" Environmental Protection Week, we collected 54 ecological protection case studies, organized 724 themed activities, and engaged a total of 15,492 participants.

Energy Management

CNOOC Limited is committed to the principle of "increasing reserves and production of oil and gas in coordination with energy conservation and carbon reduction". We are committed to establishing a production system centered on conservation and guided by sustainability. We strictly comply with the Law of the People's Republic of China on Conserving Energy and other relevant regulations, putting in place internal management policies such as the Energy Saving and Low Carbon Management Measures and the Carbon Emission Metrics Statistical Standards to enhance energy management capabilities. 

Water Resource Management

CNOOC Limited strictly follows internal policies such as the Rules for Water Conservation Management, we have carried out special water resource risk assessments and implemented measures including enhancing technological upgrades and reinforcing integrated wastewater management to ensure comprehensive water resource management. During the reporting period, the Company had no significant problems in sourcing water. 

CNOOC Limited’s technical measures on water conservation

Biodiversity Conservation

With a global perspective, CNOOC Limited upholds ecological protection as a core responsibility and has established the action principle of “Eco-Guard: Protecting Ecology, Advancing Globally”. The Company focuses on 5 key areas: governance enhancement, undertaking projects, assisting research, raising awareness, and driving collaboration to continuously contribute to ecological protection and restoration.

Since 2012, CNOOC Limited has been the primary donor to the CNOOC Foundation of Marine Environment and Ecological Protection (hereinafter referred to as the “CNOOC Foundation” or the “Foundation”). The Company has made ongoing investments in supporting the Foundation’s efforts in marine biodiversity conservation, public awareness campaigns on marine ecological protection, and research on environmental policies and technologies. As of the end of 2024, the Foundation had initiated nearly 200 marine ecological and environmental protection projects, with a total investment exceeding RMB 200 million, playing an active role in ecological protection and sustainable development.

Governance Enhancement

CNOOC Limited follows closely the evolving environmental regulations of the countries and regions in which it operates. The Company formulates and refines policies such as the Measures for Ecological Environmental Protection and the Management Rules for Ecological Protection and Pollution Prevention and Control, ensuring full compliance with environmental laws. In strict adherence to the management and control requirements of “Three Lines and One List”, we prioritize ecological protection and green development, ensuring that the entire project construction and operation comply with environmental protection standards.

Undertaking Projects

CNOOC Limited responded to the CNOOC Group's Five-Year Action Plan for Ecological and Environmental Protection by optimizing development plans, implementing voluntary ecological compensation and diversified restoration, and establishing an ecological restoration system that prioritizes natural recovery supplemented by artificial restoration. The Company participated in degraded habitat improvement projects and carried out ecological restoration and protection initiatives in multiple marine and terrestrial areas. In 2024, CNOOC Limited and its subsidiaries actively carried out various ecological protection projects to promote biodiversity restoration in operational areas. The Company invested over RMB 90 million to enhance fishery resources by artificial propagation and release across the Bohai Sea, East China Sea, and South China Sea, significantly boosting biological resources in these regions. Zhanjiang Branch spearheaded the establishment of China's first public trust project focused on mangrove ecological protection, "Offshore Saihanba" Blue Carbon Promotion Public Trust Plan Mangrove Protection Project, contributing to the conservation of mangroves. 

Assisting Research

CNOOC Limited, through the Foundation, provides financial support to scientific research institutions for marine ecological protection policy and technical research projects, driving technological innovation and professional development in the field. From 2020 to 2024, the CNOOC Foundation funded 52 marine ecological protection policy and technical research projects. These included studies on reducing the impact of offshore oil and gas development, integrated development of offshore wind and aquaculture, governance of natural protected areas, marine resource conservation, and targeted environmental management research for the Yellow River Estuary, Liaohe River Estuary, and Nanji Islands. These efforts provided multi-dimensional, indepth and robust theoretical and technical support for the sustainable use of marine resources and the stability and restoration of marine ecosystems.

Raising Awareness

CNOOC Limited considers raising public awareness of ecological protection as a crucial responsibility. Through diverse public education activities, such as supporting the "Eye of the Secret Realm" program and marine ecological protection public awareness, the Company has strengthened public awareness of environmental protection. In the meantime, the CNOOC Foundation focuses on marine ecological protection public awareness, funding science popularization education, public welfare activities, and promotional materials. These initiatives enhance public understanding and engagement in marine ecological protection and expand the foundation's influence in the field of marine ecological protection.

Driving Collaboration

CNOOC Limited has established strong partnerships with research institutions and social organizations to jointly carry out ecological restoration projects, build scientific innovation platforms, and organize awareness campaigns. These collaborations form a united force for ecological protection, promoting in-depth progress in conservation efforts.