Global Heating


Happy New Year!

Here's an interesting factoid: the average amount of extra energy (300ZJ/40 years ~=8ZJ) gained per year by the world due to global warming between 1970 and 2012 is similar to the total energy contained in the world's remaining oil reserves.


[1] My calculations based on diagram from David Mackay Talk http://www.inference.eng.cam.ac.uk/mackay/presentations/Simonyi2014/mgp00012.html
[2]  7.9×10^21 J estimated energy contained in the world's petroleum reserves as of 2010 (Wikipedia http://en.wikipedia.org/wiki/Orders_of_magnitude_(energy)#1021)


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