The Bureau of Labor Statistics recently released its employment projections for 2010-2020. Some fields are expected to add jobs like crazy, like anything to do with health care, while others face a daunting shrinkage.
Technology is the biggest villain here: More things can now be done with fewer hands, and some jobs can be automated entirely. From sending mail to tilling the soil, new gadgets have upped our productivity, but at the expense of hundreds of thousands of American jobs.
So if you're choosing your career track, approach these occupational groups with caution: