We’ve lived so long under the spell of hierarchy—from god-kings to feudal lords to party bosses—that only recently have we awakened to see not only that “regular” citizens have the capacity for self-governance, but that without their engagement our huge global crises cannot be addressed. The changes needed for human society simply to survive, let alone thrive, are so profound that the only way we will move toward them is if we ourselves, regular citizens, feel meaningful ownership of solutions through direct engagement. Our problems are too big, interrelated, and pervasive to yield to directives from on high.
—Frances Moore Lappé, excerpt from Time for Progressives to Grow Up

Thursday, May 26, 2016

Spring snow a no-go?

Click here to access article from Unews at the University of Utah.
Red = Average temperatures;  Blue = Co2
Spring snowpack, relied on by ski resorts and water managers throughout the Western United States, may be more vulnerable to a warming climate in coming decades, according to a new University of Utah study.

The study, accepted for publication in Geophysical Research Letters, models the year-to-year variability in precipitation and temperature in Utah’s Wasatch Mountains and other ranges in the West. [The researchers] found that above a threshold elevation, the amount of spring snowpack is dependent more on the amount of precipitation in a year than the temperature. In other words, whether a year is wet matters more than if it’s warm. But below that threshold, temperature matters more. By the end of the century, according to the study, that threshold will move uphill by around 800 feet in the Wasatch and more in the Sierra Nevada, Cascades and parts of the Rocky Mountains. 
 Unfortunately, there is no mention of the fact that positive feedback loops are accelerating global warming.
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