To have any chance of achieving the goal adopted in the Paris Agreement of stabilizing the global climate at less than 1.5°C above the pre-industrial average, humanity would have to become carbon neutral between 2050 and 2070 and show a negative carbon balance after that. To have any chance of achieving the goal adopted in the Paris Agreement of stabilizing the global climate at less than 1.5°C above the pre-industrial average, humanity would have to become carbon neutral between 2050 and 2070 and show a negative carbon balance after that. Environment Phys.org – latest science and technology news stories