The Lancang-Mekong Green Course Open Day, held by China Water Resources Engineering Corporation (CWE), commemorated the 10th anniversary of the Nam Ngiep 2 Hydroelectric Project. The event aimed to promote sustainable development, environmental protection, and regional cooperation. The Nam Ngiep 2 Hydroelectric Project, located in Laos, has been a significant contributor to the country’s economic growth and energy security. Over the past decade, the project has generated over 10 billion kilowatt-hours of clean energy, reducing carbon emissions and supporting the region’s transition to a low-carbon economy. The project’s success has also created jobs and stimulated local economic development. The Open Day event featured exhibitions, seminars, and workshops, showcasing the project’s achievements and best practices in sustainable development. Experts and stakeholders from the region gathered to discuss opportunities and challenges in promoting green growth and cooperation. The event highlighted the importance of international cooperation in addressing environmental and social challenges. The Lancang-Mekong region, which spans six countries, is rich in natural resources and biodiversity, but also faces significant development and environmental challenges. The Nam Ngiep 2 Hydroelectric Project has demonstrated the potential for sustainable development and cooperation in the region. The project’s success has been recognized internationally, with awards and accolades for its innovative approaches to environmental and social management. The CWE has played a key role in the project’s development, bringing expertise and experience in hydroelectric power generation and sustainable development. The company has committed to continuing its support for the project and promoting sustainable development in the region. The Open Day event marked an important milestone in the project’s history, celebrating a decade of achievement and looking forward to future opportunities and challenges. The event also highlighted the importance of community engagement and participation in sustainable development. Local communities have been actively involved in the project’s development, with benefits and opportunities shared through employment, training, and community development programs. The project’s success has also contributed to the region’s food security, with irrigation systems and agricultural development supported by the project’s water resources. The Lancang-Mekong region is home to over 60 million people, with diverse cultures and ecosystems. The region’s development and environmental challenges require a coordinated and cooperative approach, with international support and investment. The Nam Ngiep 2 Hydroelectric Project has demonstrated the potential for sustainable development and cooperation, with benefits shared across the region. The project’s 10th anniversary marks an important milestone in the region’s transition to a more sustainable and equitable future. The CWE and its partners will continue to support the project and promote sustainable development in the region, with a focus on community engagement, environmental protection, and regional cooperation.