We use a three-dimensional model to calculate steady-state climates at various intervals in Earth’s future, across a parameter space of increasing insolation and decreasing CO2 mixing ratio. Comparison with prior results shows an overestimation of warming by one-dimensional models when solar constant is increased and CO2 mixing ratio is fixed. We consider two future trajectories [...] The post Maximum Lifetime Of The Vegetative Biosphere appeared first on Astrobiology .