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Dave Johnson

Archive for the 'climatechange' Category

Methane Rising?

April 25th, 2008

After a relative leveling off of atmospheric methane levels, the US National Oceanographic and Atmospheric Administration released new figures indicating that there has been a large rise in global atmospheric methane levels over the past year. While certainly not a trend, it is something to keep an eye on. Atmospheric methane, coming from cows, landfills, forests, and melting permafrost, does last long in the atmosphere - thus the recent leveling off - however, it causes about 25 times more warming than carbon dioxide!

Oil Highs, Oil Lows

July 31st, 2007

It is a bit of a change for me to be posting about environmental issues on my Nitobi blog but I think it is about time - particularly since my PhD is in solar cell physics.

Forget about climate change, oil is the new and old black. That old black has just hit a new high on supply troubles.

We can do everything we want to reduce our climate changing, ice melting, and chaotic weather making actions but depleting oil is also a real concern.

So not only do we have to worry about a warming world but also decreasing fuel for that warming. I think this is an appropriate post to be making from Dallas no?


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