* * * * * Global Warming is so last week, now it's “Global Climatic Change” > The Canadian Space Agency's radio telescope has been reporting Flux Density > Values so low they will mean a mini ice age if they continue. > > … > > This is because when the magnetic activity is low, the Sun is dimmer, and > puts out less radiant warmth. If the Sun goes into dim mode, as it has in > the past, the Earth gets much colder. > > … > > If the Sun's magnetic activity does not increase, and it goes dim for an > extended period, it will get quite chilly. In the meantime the Canada Space > Agency, the Royal Observatory Greenwich and the US (United States) Air > Force Solar Optical Observing Network are all keeping an eye on the Sun. > Via spin the cat [1], “Sun's low magnetic activity may portend an ice age [2]” And > Every day, scientists hoping to see an increase in solar activity train > their instruments at the sun as it crosses the sky. This is no idle > academic pursuit: A lull in solar action could potentially drive the > planet's temperature down, or even prompt a mini Ice Age. > > … > > The last such solar funk corresponded with a period of bitter cold that > began around 1650 and lasted, with intermittent spikes of warming, until > 1715. While there were competing causes for the climatic shift—including > the Black Death's depopulation of tree-cutting Europeans and, more > substantially, increased volcanic activity spewing ash into the atmosphere— > the sun's lethargy likely had something to do with it. > Via spin the cat [3], “Sun Stays Sluggish as Weathermen Fight for Anti-Ice Age Funding [4]” has me wondering if Jerry Pournelle [5] called it correctly years ago (Fallen Angels) [6]. There's still a lot we don't know about the weather, especially what it'll be doing next week, much less next decade. [1] http://spinthecat.blogspot.com/2008/01/mini-ice-age-coming.html [2] http://www.britsattheirbest.com/001645.php [3] http://spinthecat.blogspot.com/2008/02/expected-higher-activity-from- [4] http://www.popularmechanics.com/science/earth/4248062.html [5] http://www.jerrypournelle.com/ [6] http://www.amazon.com/exec/obidos/ASIN/0743471814/conmanlaborat- Email Sean Conner at sean@conman.org .