| The Pearl River Tower building in Guangzhou, China is | | | | have used 2.6 billion tons of coal unless control on |
| set to become the world's most energy efficient | | | | energy use is exercised. |
| facility, by incorporating wind and solar technologies | | | | The Pearl River Tower can lessen carbon emissions |
| into its systems. | | | | by around 3,000 tons annually, which is equivalent to |
| Jaime Velez of the project's planner Skidmore, | | | | electricity savings of 30.4 percent per year. |
| Owings & Merrill, says that since they started | | | | The Pearl River Tower is Skidmore's first |
| the design of the building, production of electricity | | | | green-designed building. Skidmore was responsible for |
| from natural resources had been kept in mind. | | | | designing Chicago's Sears and United Arabe Emirate's |
| Velez says the wind technology installation included | | | | Dubai towers. Sears, which is now known as the |
| propelling wind turbines as well as wind redirection | | | | Willis tower, was the world's tallest building in the |
| technology and wind management to help in the | | | | world for over 20 years. Its restrooms on the |
| steadiness of the facility. | | | | 103rd floor 1,353 feet (412 meters) above street |
| The building is energy-efficient all the way. Electricity | | | | level are the highest in the western hemisphere and |
| is saved by maximizing on natural day lighting, build-up | | | | only exceeded in the world by the Shanghai World |
| for heat will be reduced in air-conditioned spaces, | | | | Financial Center. Meanwhile, the Dubai tower is the |
| sunlight will be used for heating the water source; | | | | world's tallest building at 1,667ft (508 meters), hailed |
| and rainwater will be reused. | | | | the tallest building in the world in all four categories |
| According to South China University of Technology | | | | recognized by the Council on Tall Buildings and Urban |
| Professor Meng Qinglin, buildings use around 40 | | | | Habitat (CTBUH), which compiles and ranks the |
| percent of the world's electricity, which is why | | | | world's tallest buildings. CTBUH ranks buildings on the |
| buildings should be energy efficient. | | | | basis of spire height, the highest occupied floor, roof |
| Meng adds that by 2030, Chinese buildings would | | | | height and pinnacle height. |