Our Changing World for Thursday 1 October 2015

9:50 PM.This week, the government announced the creation of the Kermadec ocean sanctuary, which covers 620,000 square kilometres and bans mining, prospecting and fishing. Read more Audio, Gallery

9:46 PM.We live in a high salt world, so how feasible is it in our current shopping environment to eat a low sodium diet Read more Audio

9:36 PM.Environmental Defence Society policy analyst Marie Brown discusses the challenge of how development projects can offset biodiversity losses. Read more Audio

9:20 PM.There have been hundreds of relocations of animals for conservation reasons in New Zealand and Australia - so what lessons have we learnt Read more Audio

9:10 PM.The Great Barrier Island community discusses the frightening prospect that they could be the sole survivors after a global flu pandemic. Read more Audio