Readers discuss the necessity of enforceable laws for rivers, Hong Kong’s pivot to Central Asia, and Chinese tourists’ safety fears.

Readers discuss the car-centric culture driving infrastructure projects, space mission outcomes, and the World Cup.

Readers discuss the necessity of enforceable laws for rivers, Hong Kong’s pivot to Central Asia, and Chinese tourists’ safety fears.

Readers discuss the everyday impacts of the city’s dual water supply system, and the importance of reaching socially withdrawn young people.