![Workers prepare to lift a giant blade to be used as part of wind turbines at the Vestas Wind Technology (China) Co. Ltd. factory in Tianjin, China, Tuesday, Sept. 14, 2010. China's Workers prepare to lift a giant blade to be used as part of wind turbines at the Vestas Wind Technology (China) Co. Ltd. factory in Tianjin, China, Tuesday, Sept. 14, 2010. China's](https://c8.alamy.com/comp/2NCD557/file-in-this-tuesday-sept-14-2010-file-photo-workers-prepare-to-lift-a-giant-blade-to-be-used-as-part-of-wind-turbines-at-the-vestas-wind-technology-china-co-ltd-factory-in-tianjin-china-in-late-2009-president-barack-obama-and-his-chinese-counterpart-hu-jintao-announced-an-ambitious-array-of-joint-clean-energy-research-projects-touted-as-a-mark-of-a-maturing-relationship-and-an-alliance-to-fight-climate-change-a-year-after-obamas-visit-to-china-the-envisioned-partnership-has-largely-evaporated-ap-photong-han-guan-file-2NCD557.jpg)
Workers prepare to lift a giant blade to be used as part of wind turbines at the Vestas Wind Technology (China) Co. Ltd. factory in Tianjin, China, Tuesday, Sept. 14, 2010. China's
![Workers examine giant blades to be used as part of wind turbines at the Vestas Wind Technology (China) Co. Ltd. factory in Tianjin, China, Tuesday, Sept. 14, 2010. China's market for wind Workers examine giant blades to be used as part of wind turbines at the Vestas Wind Technology (China) Co. Ltd. factory in Tianjin, China, Tuesday, Sept. 14, 2010. China's market for wind](https://c8.alamy.com/comp/2ND46F0/workers-examine-giant-blades-to-be-used-as-part-of-wind-turbines-at-the-vestas-wind-technology-china-co-ltd-factory-in-tianjin-china-tuesday-sept-14-2010-chinas-market-for-wind-equipment-is-one-of-the-worlds-largest-spurred-by-a-government-campaign-to-promote-renewable-energy-to-clean-up-its-battered-environment-and-curb-surging-demand-for-foreign-oil-and-gas-ap-photong-han-guan-2ND46F0.jpg)
Workers examine giant blades to be used as part of wind turbines at the Vestas Wind Technology (China) Co. Ltd. factory in Tianjin, China, Tuesday, Sept. 14, 2010. China's market for wind
![Vestas Wind Systems on X: "Chinese-Danish delegation visiting #Vestas' largest wind turbine factory complex in #Tianjin, China http://t.co/TA7tLQt2jb" / X Vestas Wind Systems on X: "Chinese-Danish delegation visiting #Vestas' largest wind turbine factory complex in #Tianjin, China http://t.co/TA7tLQt2jb" / X](https://pbs.twimg.com/media/BxKsuTAIgAAR0HE.jpg)