Lake Cropping: Every 10 years or so, major floods in Australia's largest river fill lakes on the Lower Darling's massive flood plain in far western New South Wales. When the lakes dry up the farmers get busy growing crops on the moist and fertile lake beds. Old Man River: Alpine ecologist Alec Costin has devoted much of his life to studying and protecting Australia's unique mountain ecology. They're Back: Despite a huge public backlash against its supertrawler two years ago, Seafish Tasmania is now bringing another smaller factory ship to Australia. Markets Report: Landline's weekly commodities analysis and report. Tears From the Sky: 10 year old city raised Ellen made a video of her Grandfather's drought-stricken farm to show her school friends.