Audio of Sarah's Adelaide door stop on Greens' submission to Murray Darling Basin Authority.

The Federal Government must heed the advice of Australia's top scientists if the plan to save the Murray Darling river system is to achieve its purpose and have longevity, the Australian Greens said today.

"Our top scientists are concerned about the negative consequences of extraordinary increases in groundwater extractions included in the draft plan, as are the Greens," Greens' water spokesperson, Sarah Hanson-Young, said.