It follows the release of the Australian state of the environment report which NSW Environment Minister James Griffin described as "sober reading".
A similar NSW report released earlier this year was "stark reading", he told a budget estimates committee on Tuesday.
Off the back of these two reports he encouraged the federal government to call a meeting of environment ministers to work together on a response.
Mr Griffin said he was working to "aggressively" expand protected parkland, adding the current rate of land clearing is putting significant pressure on the NSW environment.
"It is concerning from an environmental perspective," Mr Griffin said.
"In NSW we're pulling every lever available."
For Mr Griffin, this included working with private land owners to ensure more habitat was protected for native Australian species.
The government has just finalised the terms of reference for its mandated five year review of the state's biodiversity conservation laws.
The 2021 NSW state of the environment report included warnings of native vegetation decline, poor waterway health and a rise in threatened and endangered species.
This preceded the recent endangered and threatened listings for the koala and greater glider.
The Albanese government published in July the latest federal state of the environment report, which had been buried for years by their predecessors.
It said Australia's environment was in a poor state and deteriorating under the weight of climate change, land clearing, species decline and loss, pollution and mining.
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