It comes after last week beverage giants Coca Cola and Lions announced their desire to run a proposed Tasmanian container deposit scheme.

Plastic Free Launceston founder Trish Hauesler said they supported the scheme but more needs to be done to reduce plastic consumption.

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She said the group would prefer to see the deposit scheme run by waste management experts rather than industry.

The Greens made a similar call last week suggesting that industry would not be inclined to optimise the scheme as it would cost them money.

Coca-Cola Amatil group head of CDS implementation Jeff Maguire said it was surprising environmental groups didn't want industry to take responsibility for their waste

"The beverage industry has been operating Container Deposit Schemes in Australia for the last 42 years and currently manages all of the schemes implemented around the country," he said.

"We are currently meeting or on track to meet all of our strategic targets as agreed with government in the operational schemes."

He said they expect the legislation to put a positive expectation on them to maximise the amount of products being recycled.

Environment Minister Roger Jaensch said he understood the concerns related to an industry lead scheme.

He said an expert reference group was exploring what the best possible scheme would look like and is expected to report later this year.

"We are not looking for an off the shelf solution from somewhere else we are looking to design a system for Tasmania," Mr Jaensch said.

Mr Jaensch said the government had a range of initiatives in their waste management plan which aim to reduce the amount of waste going to landfill.

Tasmania's container deposit scheme is expected to be operational in 2022.

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