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A new solution from a plasma physicist
We've already thoroughly debunked geoengineering strategies like launching mirrors into space, seeding the oceans with extra iron, and loading the atmosphere with ray-repelling aerosols. But this idea, posed by a scientist last week at the annual meeting of the American Geophysical Union, though still a long shot, is actually pretty ingenious.
Alfred Wong, a plasma physicist at UCLA, says that we might be able to use Earth's natural magnetic field as a giant conveyor belt to catapult excess carbon dioxide into outer space. The CO2 must be ionized first, which Dr. Wong proposes could be done with lasers (generating less emissions than the process would remove).
Once they are there, Dr Wong expects the incoming stream of charged particles that cause auroras to deliver the bonus that will make the whole thing work, by dumping some of their energy into the spiralling as well. This should happen through a process called stochastic resonance: the spiralling molecules get preferential treatment, so to speak, because they stand out in what is otherwise an environment of random movements.
Blocks himself admits that the project is still in the incubator stage, and has a long way to go to be viable, but thinks it could be workable. Just don't tell the neighbors.
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An insider’s view of the wind industry
Be sure to check out a fascinating post by Jerome a Paris (who helps finance wind power projects) on the state of play in the wind industry. Here’s the spoiler: Anyway, the conclusions I draw from all if this are as follows: windpower is booming, and is reaching a stage where it becomes a noticeable […]
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And yet the media isn’t reporting it
Global warming has long been predicted to make the weather more extreme. Wouldn't it be great if there were an official government index of extreme weather -- of heat, drought, rainfall, and hurricanes -- that would let us know if the prediction had come true?
Well, such an index exists: the National Climatic Data Center's Climate Extremes Index. As the figure shows, the most extreme year by far was 1998; 2006 was the second most extreme, followed closely by 2005. The fourteen least extreme years all predate 1981. The weather is becoming more extreme, as predicted:
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Scientists weigh in
Sorry to post this on the heels of "Doom and gloom blowback," but this Daily Kos summary of a new study by Hansen et al is too well done to pass over. And do note that Hansen is trying to accentuate the positive.
The original paper, by the way, is called "Dangerous human-made interference with climate: a GISS modelE study" (PDF). And it's not locked down.
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Must Be All That Hot Air In Crawford
Texas tops list of greenhouse-gas emissions by U.S. states Know what would make the climate debate even contentiouser? Some sort of ranking of which U.S. states produce the most emissions. Oh look! The Associated Press has analyzed a set of U.S. Department of Energy carbon dioxide data from 2003! Let the finger-pointing begin. It seems […]
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Sounds Familiar
China releases first climate plan, says economic concerns are key China has released its first-ever national climate-change plan, a 62-page document that pledges to improve energy efficiency, increase the use of renewables, develop drought-resistant crops, and expand emissions-absorbing forests. But the country’s leaders emphasized that they don’t want to sacrifice economic growth. “We must reconcile […]
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A new idea for how to transport the stuff in cars
I have never been a fan of hydrogen technology as a solution to the climate change problem. It would be great if we could power automobiles with hydrogen (generated, of course, with renewable energy), but how do you carry the hydrogen around in your car? Do you really want to be driving around on top of a tank full of compressed hydrogen? Can you say Hindenburg?
I just listened to a great segment on this week's Science Friday. The guest, Jerry Woodall, a professor at Purdue, has an interesting idea for how to carry hydrogen in a way that seems extremely safe to me.
The idea is that you carry around a bunch of aluminum. You react the aluminum with water, and that produces hydrogen, which would then be immediately burned. In the end, you're left with a tank full of aluminum oxide, which will be recycled back into aluminum (using, of course, renewable energy) at a recycling facility.
This seems like a great idea, one that makes me reconsider my skepticism towards hydrogen. But listen to the segment yourself. Also, check out the presentations on this site.
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A reality TV show that will knock your socks off
Crude: a great overview of how, when, where, and why oil is obtained, and a fascinating look at what happens when you burn a bunch of it real fast.
Think The End of Suburbia meets An Inconvenient Truth.
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Scary stuff
More and more experts are saying global warming is as grave a threat to our national security (PDF) as terrorism and nuclear proliferation. Some in the media are coming to the same view.
The Financial Times set up their coverage with the following scenario, pulled from a Pentagon memo: