UN aviation agency sets 2050 for achieving net-zero carbon emissions

S. Africa seeks cabinet approval for $8.5 billion climate plan to curb coal use The International Air Transport Association said airlines were "strongly encouraged" by the adoption of the climate goal, coming one year after the IATA endorsed the same position at its own general meeting. According to airlines, it will require massive investments -- $1.55 trillion between 2021 and 2050 -- to decarbonize aviation.