Environmental protection is an integral part of corporate social responsibility. CNPC strictly follows environmental protection laws and regulations, attaches great importance to climate change and ecological protection, and continuously promotes energy conservation and emission reduction work to realize the coordinated development of production and environmental protection.

Besides, CNPC continues to promote clean operation technologies and develops new technologies that facilitate environmental protection energy conservation and emission reduction, especially in oilfield production , refining and chemicals and natural gas desulfurization.