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Awaiting Day Zero: Cape Town faces an uncertain water future

South Africa’s second-largest city has pushed back the day when its taps are expected to run dry. But with its population growing and the climate warming, Cape Town, like many cities in semi-arid regions, must take decisive measures to meet its future water needs.

The forest wars: loggers v greenies in Victoria, NSW

Deep in East Gippsland's Kuark forest, ancient trees tower overhead, the scent of sassafras wafts on the breeze and birdsong fills the air. Old-growth trees such as these provide a rare example of a landscape undisturbed by human harvest. But Kuark is under threat of logging.