A sign that reads "recall" hangs on a statue in front of the Wisconsin state Capitol last month in Madison. Labor groups are making an effort to recall Gov. Scott Walker for his controversial union rights law.
The world's population has just hit 7 billion people and continues to grow. Population experts are concerned about the rise in consumption that will accompany the increase in people. One California home builder, ZETA Communities, designs and builds small, highly energy-efficient homes.
U.S. Border Patrol vehicles drive from a checkpoint in December 2010, as teams of border officers comb the Arizona desert about 10 miles north of Mexico in search for a suspect in the fatal shooting of U.S. Border Patrol agent Brian Terry in the rugged terrain in Rio Rico, Ariz.
A truck driver cleans his windshield at a filling station in Milford, Conn. The long hours, weeks away from home and mediocre pay contribute to the trucking industry's shortage of an estimated 125,000 drivers.
Greek's economic problems work their way down the supply chain to people like Kosta Bouyoukas, who imports olives and other foods from Greece. He says suppliers are changing the terms of contracts, and sometimes products don't show up at all.
To feed China's insatiable demand for coal, U.S. companies are trying to sell and ship the lucrative commodity to the Asian market from new West Coast ports. Above, the cooling towers of a coal-fired power plant are seen on the outskirts of Beijing.