Home Eco Airports Massport announces goal to be net zero by 2031 Massport announces goal to be net zero by 2031 18 Mar 2022 | Eco AirportsNews Massport announces goal to be net zero by 2031 The Massachusetts Port Authority (Massport) unveiled a new, bold agenda to reduce carbon emissions across all facilities and become Net Zero by 2031, coinciding with the Authority’s 75th anniversary.