TIANJIN - As a promising "new champion" city, Tianjin will stick to the principle of sustainable growth, with more efforts devoted to transforming the city's economic development pattern, Tianjin Mayor Huang Xingguo stressed yesterday.

Tianjin's economic structure will be further optimized and energy-efficient and environmental-friendly growth will be encouraged to beef up further development of the city, Huang said at the opening ceremony of 2010 Tianjin Summer Davos Forum yesterday.

"Only through enhancing energy efficiency and protecting the environment, can sustainable development be fully achieved for Tianjin," he added.