Andrew Robb: “Have CHB power consumers really been paying their power bills to help a private company build themselves a dam?”

Dr Le Lievre: “I am critical of the lack of transparency …this spend occurred without public consultation or any subsequent announcement.”

Kahahakuri Stream was once “a thriving creek with abundant fishlife” – demise due to nitrogen fertiliser and over-allocation for irrigation.

Phyllis Tichinin, environment management consultant, explains how green plant cover creates a living carbon sponge that protects our soils.

Agricultural consultant Barrie Ridler says 'dryland farming systems are low cost, yet productive", "Bay could become wonderful environment".