中文摘要：

纵观我国京津冀地区的发展,经济发展与环境保护之间的矛盾日益突出,而钢铁行业的发展尤为突出。本文总结了美、日、德三个发达国家在类似阶段时环境治理和钢铁产业结构升级的作法,分析了三个国家在完善立法、采用经济手段进行环境污染治理、鼓励钢铁企业兼并及扶持高新产业发展等方面的经验,提炼出对我国京津冀地区进行环境治理和钢铁企业升级转型中的借鉴之处,给出了相应的建议,希望能为我国京津冀地区协同发展提供参考。

英文摘要：

With the development of China＇s Beijing-Tianjin-Hebei Region, the contradiction between economic development and environmental protection is prominent, particularly in steel industry. The paper summarizes the measures in environmental governance and steel industry structure upgrading of three developed countries--the United States, Japan and Germany at a similar stage, analyzing the experience of these three countries in perfecting legislation and the use of economic means for environmental pollution control, encouraging iron and steel enterprises to merge, and supporting the development of high-tech industry, etc., thus extracting its references to environmental governance, upgrading and transformation of iron and steel enterprises in China＇s Beijing-Tianjin-Hebei Region and giving corresponding suggestions, hoping to provide a reference to coordinated development in China＇ s Beijing-Tianiin-Hebei Region.