Posted by DrJeff on June 13th, 2009
Copyright 2009 | About this blog
This post is a Driving with Jordi.
This is crossposted at Huffington Post HERE.
Note to reader: click on the links in the text for the real data. This is not a work of fiction.
From Dr. James Hansen, Director of the NASA Goddard Institute for Space Studies concerning this postâ
Public understanding of climate change depends on an understanding of time scales. Goldstein [Dr. Jeff] does a brilliant job of making clear the rapidity of the human-made intervention in the climate system, and the correlation of global warming with the appearance of technology powered by fossil fuels.
âDaddy, how long is a billion years?â
As soon as we got in the car this morning, and buckled up, I said âso Jordi, I need some help. I need more material for the blog.â âDaddy, what do you mean by âmaterialâ?â Â âThatâs what writers call the stuff they use to create storiesâ, said daddy.
It was a beautiful, sunny morning, so he started talking about âŠ the Sun. He had lots of questionsâwhere did it come from, whatâs burning on it to make it so bright, how old is it, what will happen to Earth when it stops burning? The last one was particularly cool. I asked him if he thought the question “what will happen to the Earth when the Sun dies?” is something lots of kids might ask. He said âyes!!â I asked him who he thought was the first person to actually figure it out. He didnât know. I told him it was me.
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