Cambodia's giant lake shrinks as climate change, Mekong dams cut fish supply

SIEM REAP, Cambodia -- The pier of Kampong Chhnang, a fishing community north of Phnom Penh, was alive at 7 a.m. with the rhythm of knives hitting chopping boards. Dozens of women sat on the ground, slicing flesh from fish reeled in by the men from Tonle Sap, Southeast Asia's largest freshwater lake.