What Most People Don’t Understand About Climate Change
The “global energy system represents something over $20 trillion in capital investment, which ordinarily would turn over on a timescale of 30 or 40 years. There is no way to rebuild the energy system overnight—it’s too big, too costly to do that,” Holdren told me.
.. And as a result of that, we are not even today experiencing the full consequences of what we’ve already added to the atmosphere. If we stopped adding greenhouse gases today, the global temperature would continue to coast upward to close to 1.5 degrees until it stopped.”