. >> sheeps far as t eye can e, and what looks like boundless freedom for randall aspinall. he's the fourth generation of sheep farmers on new zealand's south island. farmers have always been valued new zeand. th are the bkbone the country's economy. >> now, i think most people ill do appciate farms and preciateheep farrs and e it as ing partf a more chatt arounsome but tti-farmi sentime.it >> climate change is shaking up this rural paradise. shp and cowsre major produ. they generate one third of allp greenhouse gas emissions in new zealand. suddenly, farmers are seen as environmental sinners. randall can see growing misunderanding beten people in. >> so, when i grow up there were most people in the cities knew had cousins that had a farmr had frnds that had farm. so, mo people prably spe kholida on farms, schlhad a lidays a that. whereas te population is owing and 's probly urbaniz more, that's gone away. >> he includes new zealand's center-left government in this. for example, sheep and cows wading through rivers and possibly fouling the water doesn't fit with new zealand'