Dear EarthTalk: Most gold mining operations use cyanide to extract gold from surrounding rock. What are the environmental implications of this, and are there alternatives? — J. Pelton, via e-mail


Dear EarthTalk: Why don’t more states mandate deposits on beverage bottles as incentives for people to return them? Most bottles I’ve seen only list a few states on them. — Alan Wu, Cary, NC

U.S. Unemployment Rate Still 9%

WASHINGTON, D.C. – The U.S. economy added 80,000 jobs in October, according to data released today by the federal Bureau of Labor Statistics. The modest job growth was not enough to significantly affect the nation’s unemployment rate, which is still 9 percent.