A reptile showdown in the top end is ending in a win for cane toads; the pest species is decimating dwarf freshwater crocodile populations in northern Australia.

Engineers are developing the world’s first “hybrid airliner” to be powered by a combination of electricity, biofuels and wind energy.

Energy economics researcher Professor John Foster has called on power-generators to rethink an industry shift from coal to gas, saying the benefits may not be as great as first thought.

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