Jan. 4th, 2017

chris_gerrib: (Me 2)
Global Warming Sealioning

Scott Adams continues his global warming sealioning, asking what if climate change causes more CO2?. Herewith a response:

We can tell what the sources of CO2 are by looking at the isotopes of CO2 in the atmosphere. This article gives the details. It also notes that we can look at history to see how much CO2 should be in the atmosphere (about 500 ppm vs. the current 400 ppm) so we can see how much faster we're dumping CO2 into the air then it's being absorbed.

It's also worth noting that we can trace most high-CO2 periods in the past to specific volcanic eruptions. In short, warming doesn't cause CO2 levels to rise, CO2 levels cause temperature to rise.

Finally, the difference between now and the last Ice Age is about 4 degrees Celsius. (XKCD had a nice graphical representation of this.) It doesn't take a massive change in average temperature to produce a wild swing in climate.

The Death of Coal

The headline says it all: Solar Could Beat Coal to Become the Cheapest Power on Earth.

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