Ocean shopping-trolley graveyard and the rising cost of cleaning it up

A regional council left with a massive bill for removing 500 trolleys from an underwater graveyard near its wharf says it could force major retailers Coles and Woolworths to pay.

How cracking sugar’s DNA could help save the planet

Sugar has long been a source of energy for people, but now scientists believe they are close to unlocking its DNA secrets and harnessing its potential as a green fuel.

The farm shed invention that could power this whole town with clean energy

After more than a decade on the drawing board, a farmer and an engineer say they have created a generator that runs off green waste, recycles its emissions, and costs virtually nothing.