Australia will need to accelerate the pace of renewable energy developments if the nation wants to mitigate the impacts of climate change, analysts say.

Striking the balance in environmental protection reform was the "hardest task" facing the Labor government, as Environment Minister Murray Watt introduced 1500 pages of changes to laws on Thursday.

Conservation groups argue the reform package does not go far enough to protect nature, while business groups have called for a streamlined approvals process.

Labor faces an uphill battle to pass the reforms before the end of the year, as the government has not yet secured support from either the coalition or the Greens.

Swinburne renewables expert Mehdi Seyedmahmoudian said reform was long overdue, as it had been decades since environmental

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