High-speed rail: A deputy chief engineer at the ministry, told the financial magazine Caijing that the trains' maximum operating speed should be 300 kph rather than the originally targeted 350 kph.
Three Gorges Dam reached a milestone this week, recording its maximum water level for the first time. Three Gorges Dam, on the Yangtze River, began operations two years ago.
China, the world leader in both economic growth and carbon emissions, faces the dilemma of how to respond to the challenges of global warming while not harming its robust economy.
Hu Shuli had sought to boost the independence of China's top investigative business magazine, Caijing. Her resignation reflects Beijing's shrinking tolerance for free media.
Hong Kong is rising fast thanks to the growth of China. It passed New York as the biggest issuer of initial public offerings in 2006.