[Shenjiang No. 1 participated in the construction of the deepest submarine tunnel] On August 23, China's self-developed subsea tunnel shield machine rolled off the assembly line in Changsha, Hunan. The equipment shield machine has an excavation diameter of 13.42 meters, a total length of 130 meters, and a total weight of 3,800 tons. It will participate in the construction of China's deepest submarine tunnel-the Zhujiangkou Tunnel of the Shenzhen-Jiangmen Railway. The Pearl River Mouth Tunnel is a key control project of the Deep River Railway. "Shenjiang No. 1" crosses the section with a total length of 3590 meters. The entire line is tunneled downhill for a long distance and passes through the Pearl River estuary. The engineering geological conditions are extremely complicated. Editor/Xu Shengpeng

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• 2024.04.18 17:37
• [Vale achieves 100% renewable energy in Brazil]
• Brazilian mining giant Vale disclosed on the 15th local time that by 2023, all of its electricity in Brazil will come from renewable energy sources, such as hydro, wind and solar energy, and Vale has reached its goal of "achieving 100% renewable energy supply in Brazil" two years ahead of schedule. Vale's latest Comprehensive Report 2023 says that with this goal, Vale has eliminated all indirect greenhouse gas emissions generated by the company in Brazil. The company is still faced with the challenge of achieving 100 percent renewable energy supply worldwide by 2030, which is now 88.5 percent achieved. "This is an important milestone in Vale's decarbonisation strategy, which aims to reduce direct and indirect CO2 emissions by 33% by 2030 and achieve net zero emissions by 2050." Ludmila Nascimento, Director of Energy and Decarbonization at Vale, said that Vale is committed to helping Brazil develop clean energy and contribute to society's response to climate change. Editor/Xu Shengpeng

• 2024.04.18 17:37
• [Kazakhstan has signed a deal with Russia to build seral coal-fired power plants]
• Kazakhstan has signed an intergovernmental agreement with Russia to build coal-fired power plants in three Kazakh capitals, according to the press service of the Ministry of Energy. "The Ministry of Energy of Kazakhstan and the Ministry of Energy of the Russian Federation signed a cooperation agreement on the construction of coal-fired power plant projects in the cities of Kirkshetak, Semyi and Ustykamenogorsk," the press release said. "Considering the abundant thermal coal reserves, the implementation of coal-fired power plant projects in the three capitals will be a strong driver of urban development," Kazakh Energy Minister Almazadem Satkaliyev said. Editor/Xu Shengpeng