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Environmental SpecialMany people are concerned about the welfare of the planet, but are unsure about what they can, or should do to help. In the past, scientists, government bureaucrats and the media told us a...

The feeding of native birds is an increasingly important issue as new housing developments encroach on areas of bushland which provide food for these creatures. Although there is some disagreement on the subject with groups such...

Imagine what life would be like if you could never have a barbecue, go on a picnic or play outdoor sports. Gardening and walking barefoot would be out of the question, your kids couldn't...

Frilled Lizard The sun-loving frilled lizard (Chlamydosaurus kingii) is the reptile emblem of Australia, and also the inspiration for the Sydney 2000 Paralympic Games mascot "Lizzie". Frilled lizards are common in the monsoonal woodlands of...

GalaxiasAround 90 million years ago a group of tiny fish called Galaxias lived almost side by side with the dinosaurs. The dinosaurs are long gone now, but amazingly those little fish...

GambusiaThe Eastern Gambusia (Gambusia holbrooki) is native to the rivers draining the Gulf of Mexico, but it has been distributed worldwide to control mosquitoes. It was introduced into Australia in the 1920s, but has not been any more effective...

Grey water Water is remarkable stuff. Reflecting the clear blue sky you’d swear it’s blue, but we all know that it really is clear and colourless. So what do people mean when they...

Horse CullingOne of the proudest moments of the Sydney Olympic Games was the opening ceremony, when dozens of mounted stockmen rode into the stadium, each carrying an Australian flag. The notion of wild bush horses and brave mountain stockmen...

Dr Chris Brown looked at the way kangaroos cope with drought. Aussie battlers Chris explained that most members of the kangaroo family (Macropodoidea) have an adaptation called Embryonic...

Landcare With the numbers of houses constantly growing, areas of pristine Australian bushland are being slowly destroyed. Only 5kms from Sydney's CBD is a once pretty gully which had been allowed to become ugly and unhealthy. ...