Top Stories for Tuesday 1 December 2015

Chris Cairns found not guilty of perjury; Chris Cairns relieved at not guilty verdict; Key pledges extra $220 million to tackle climate change; World leaders make climate change pledges in Paris; Warnings of a looming housing crisis for aging baby boomers; New Zealand Cricket reacts to Cairns verdict; Labour reshuffle ruffles feathers amongst Maori; Police reduce speed threshold to four kilometre tolerance.