As borders open and international travel resumes, will New Zealand's sky-high aviation emissions take off again?
- Written by Robert McLachlan, Professor in Applied Mathematics, Massey University
Phil Walter/Getty ImagesAfter two years of entry restrictions, New Zealand is re-opening its borders. Already, New Zealanders can re-enter the country without quarantine; they will be followed by Australians on April 12 and the rest of the world on May 1.
Families will be able to reunite. Grandparents will be able to visit new grandchildren for...

















