Transitioning to Solar Cell and Wind Power Before Climate Change Threatens World Civilization

Regression analysis of measured atmospheric CO
2
concentrations, global mean surface temperatures and human-managed world-GDP indicate that Paris Agreement thresholds of temperature rises of 1.5 and 2 ° C will be reached in 2026 and 2038 + 7 years respectively unless fossil fuel burning is sharply reduced. City of Palo Alto Utilities’ 2017 electricity generation was 100% renewables and that of Stanford University was 68%. The California Independent System Operator is well on its way to supplying mandated 33% of the state's electricity from renewables by 2020 and 50% by 2030. However raising that to 100% will be very challenging but not impossible.