Archive for September 1st, 2008
If the lessons being learned by scientists about the demise of the last great North American ice sheet are correct, estimates of global sea level rise from a melting Greenland ice sheet may be seriously underestimated. Writing this week (Aug. 31) in the journal Nature Geoscience, a team of researchers led by University of Wisconsin-Madison geologist Anders Carlson reports that sea level rise from greenhouse-induced warming of the Greenland ice sheet could be double or triple current estimates over the next century.
“We’re not talking about something catastrophic, but we could see a much bigger response in terms of sea level from the Greenland ice sheet over the next 100 years than what is currently predicted,” says Carlson, a UW-Madison professor of geology and geophysics. Carlson worked with an international team of researchers, including Allegra LeGrande from the NASA Center for Climate Systems at Columbia University, and colleagues at the Woods Hole Oceanographic Institution, the California Institute of Technology, University of British Columbia and University of New Hampshire.
Scientists have yet to agree on how much melting of the Greenland ice sheet — a terrestrial ice mass encompassing 1.7 million square kilometers — will contribute to changes in sea level. One reason, Carlson explains, is that in recorded history there is no precedent for the influence of climate change on a massive ice sheet.
“We’ve never seen an ice sheet disappear before, but here we have a record,” says Carlson of the new study that combined a powerful computer model with marine and terrestrial records to provide a snapshot of how fast ice sheets can melt and raise sea level in a warmer world.
The damage done to a person by being laid off has implications for the social and political health of the community. Here’s the finding:
The pain of downsizing extends far beyond laid off workers and the people who depend on their paychecks, according to a new UCLA-University of Michigan, Ann Arbor study. Even a single involuntary displacement has a lasting impact on a worker’s inclination to volunteer and participate in a whole range of social and community groups and organizations, found the study, which appears in the September issue of the international scholarly journal Social Forces.
“What we find is that even just one disruption in employment makes workers significantly less likely to participate in a whole range of social activities — from joining book clubs to participating in the PTA and supporting charities,” said Jennie E. Brand, a UCLA sociologist and the study’s lead author. “After being laid off or downsized, workers are less likely to give back to their community.”
The first study to look at the long-term impact of job displacement on social participation, the research found that workers who had experienced just one involuntary disruption in their employment status were 35% less likely to be involved in their communities than their counterparts who had never experienced a job loss due to layoff, downsizing or restructuring, or a business closing or relocating. Moreover, the exodus from community involvement continued not just through the spate of involuntary unemployment, but for the rest of the workers’ lives.
A wonderful post, which begins:
For an eight year old I was tiny. Walking in the front door of the Palm, at the time a venerable New York institution, I was immediately struck by the tight space and the casual atmosphere. The dusty wooden floor, dim lighting and cacophonous conversations immediately transported me to another world. I leaned into my aunt’s coat for protection as servers brusquely marched by with platters of food and trays of beverages while my uncle negotiated for a table. We followed the host down a narrow aisle to a table set for three in the downstairs seating area. I settled into my chair, taking in the various strange cartoons on the walls and the myriad display of glamorous and important looking patrons seated at the other tables.
I had waited a long time to go to the Palm. …
Via Word of the Day:
Once a government is committed to the principle of silencing the voice of opposition, it has only one way to go, and that is down the path of increasingly repressive measures, until it becomes a source of terror to all its citizens and creates a country where everyone lives in fear. – Harry S Truman, 33rd US president (1884-1972)