The state's peak environment groups have pulled out of discussions over proposed land clearing and biodiversity laws, declaring the process has been hijacked by "radicals" in the National Party.

The NSW government is planning to overhaul biodiversity and land clearing laws introduced by Labor that have been long opposed by farming groups and the Nationals.

Jeff Angel wants a statewide ban. Credit:Tamara Dean

In 2014, an independent panel commissioned by the state government recommended repealing the Native Vegetation Act, Threatened Species Act and parts of the National Parks and Wildlife Act and introducing a new Biodiversity Conservation Act.

The government pledged to implement all 43 of the panel's recommendations and the office of environment and heritage, which is drafting the new laws, has been in negotiations with stakeholders.