CLIMATE CHANGE by the numbers

By Charles Fredricks 5 or 10 years: The amount of time we may have to lock in transition of electric power generation, heating and cooling, and transportation away from carbon based fossil fuels to renewable energy, to avoid civilization-ending disaster. 50 years: The time lag roughly between when we will feel the effects in the climate system of the carbon emissions we are generating now. positive feedback mechanisms, 3: Systems in the biosphere that have a tipping point that could move warming beyond humanity's ability to control. [...]