As British television personality Michael Portillo went to air on SBS with his latest travel adventure in Indonesia, something was missing. The armchair bird-watcher looks and listens for birds when locations near and far are on the screen but beyond the commentary by Portillo on his Great Asia Rail Journey there was an eerie silence in the rainforest that formed his backdrop. In one corner of the world it appeared Rachel Carson’s frightening prophecy of a “silent spring” … [Read more...] about Where the birdsong has fallen silent