Channel News Asia: This year's record high PSI levels during the haze, the dengue epidemic and more intense rains are "amber lights", or early warning signs, of the need to be better prepared for future environmental challenges. Minister for the Environment and Water Resources, Dr Vivian Balakrishnan, said this in an interview with Channel NewsAsia. His ministry plans to get tough on transboundary haze by taking to task, companies which contribute to the haze. Planned measures include the tabling of an Act to hold...