Why Australia's environment laws need reform

How is it possible to both save the environment, while also speeding up decisions on mining, housing and energy projects? Environment Minister Murray Watt thinks he's found the answer, and is confident he will pass new laws with support from either the Coalition or the Greens.

Former Treasury secretary Ken Henry says reforming the laws would provide a big boost to productivity in Australia, and he sat down for a chat with host David Speers.