Concerns abandoned coal boreholes in Queensland and NSW could be emitting ‘equivalent of 65m cars’ worth of methane
Conservationists have called for an audit of potentially thousands of methane-leaking coal boreholes in Queensland, as one expert says New South Wales also has an unknown number of potentially leaking holes.
Research revealed last week that two abandoned exploratory coal boreholes were leaking methane at a rate comparable to 10,000 vehicles.
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