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I’m hosting Local Edge Radio today (Updated)

I’m in the driver’s seat. I’m going to be talking with David Weiss of the Center for American Progress about oil prices. I will also chat with Professor Andrew Koppelman, the John Paul Stevens professor of law at Northwestern, who will be in the house to talk about the Health Care law. Finally, I will spend most of the 5 o’clock hour to talk about Trayvon Martin. You can call in – 828-252-4348.

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Experts deny that drilling brings down gas prices, despite how often Republicans claim to have the “silver bullet.” Now, the Associated Press reports that an analysis of 36 years of Energy Information Administration data shows “no statistical correlation” between domestic oil production and gas prices.

AP writes:

U.S. oil production is back to the same level it was in March 2003, when gas cost $2.10 per gallon when adjusted for inflation. But that’s not what prices are now.

That’s because oil is a global commodity and U.S. production has only a tiny influence on supply. Factors far beyond the control of a nation or a president dictate the price of gasoline.

When you put the inflation-adjusted price of gas on the same chart as U.S. oil production since 1976, the numbers sometimes go in the same direction, sometimes in opposite directions. If drilling for more oil meant lower prices, the lines on the chart would consistently go in opposite directions. A basic statistical measure of correlation found no link between the two, and outside statistical experts confirmed those calculations.

Just spoke with Andrew Koppelman. Great conversation. I’ll have an update a little later on tonight.

We are currently talking with Barry Summers of Save Asheville Water. We are talking about ALEC.

By |2012-04-06T15:02:19-04:00April 6th, 2012|Big Oil, Healthcare, Podcasts|1 Comment

Contrail data on global warming

I was on Local Edge Radio today. I presented this data, but some listeners want to read this data for themselves. Cool. Here’s the data.

From Science Daily:

For three days after September 11, the Federal Aviation Administration grounded commercial aircraft in the U.S., stranding travelers, hindering mail delivery and interrupting courier service, but for scientists at Penn State and the University of Wisconsin–Whitewater, the three-day shutdown provided a rare glimpse of the climate effects of jet contrails.

“In the past, some studies have compared the climate of areas with little overhead air traffic with those under heavily used flight paths,” says Dr. Andrew M. Carleton, professor of geography. “Other studies looked at cloud cover before the advent of heavy jet traffic in the 1960s and afterwards, but these studies really provide circumstantial evidence.”

Carleton, and Dr. David Travis, climatologist at University of Wisconsin-Whitewater and Ryan Lauritsen, then an undergraduate at UW-W, looked at high and low temperatures recorded throughout the country during the three days of commercial air shutdown and at satellite photos taken during that time. The satellite photos show where contrails were occurring, mostly absent over the U.S. between Sept 11-14, but still occurring in Canada and northern Mexico.

“We show that there was an anomalous increase in the average diurnal temperature range for the period Sept. 11-14, 2001,” the researchers reported in today’s (Aug. 8 ) issue of the journal Nature. “Because persisting contrails can reduce the transfer of both incoming solar and outgoing infrared radiation and so reduce the daily temperature range, we attribute at least a portion of this anomaly to the absence of contrails.”

The diurnal temperature range is the difference between the nighttime low temperature and the daytime high temperature, usually for a given day.
“Because the shutdown occurred before noon on Sept. 11, the low temperature had already been reached, so we looked at 24-hour periods beginning with the high on Sept. 11 to the low on Sept. 14,” said Carleton.

The change in the temperature difference was plus 1.1 degree Celsius, equal to plus 2 degrees Fahrenheit, above the 30-year long-term mean diurnal temperature range. The researchers compared the temperature ranges on these three days to those of the three days directly before Sept. 11 and the three days after Sept. 14, finding that the days before and after were similar, but that the three days in question differed by 1.8 degrees Celsius or 3.2 degrees Fahrenheit. (more…)

More info – here

By |2011-10-06T16:07:03-04:00October 6th, 2011|Energy, Environment|Comments Off on Contrail data on global warming
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