New Zealander's have drawn a line in the sand, announcing they will rid the nation of rats, stoats and possums by 2050, but what will it take to get there?

Watch the video version of the episode here.

Remove and Protect reveals what Aotearoa means to do about the losing battle for our wildlife.

It sets out the critical distinction between business-as-usual pest control - simply holding a line - and the step change, and monumental challenge, that is eradication.

It looks at some ingenious new tools - smart, autonomous devices that are already changing our idea of what's possible and what's affordable.

Host Dave Hansford and the experts then tell listeners the plan, the nuts-and-bolts detail of exactly how we mean to find and catch that last rat.

Go to this episode on rnz.co.nz for more details