The confluence of increased geopolitical risk, easy monetary policy and slowing growth in emerging markets has made some commodity prices fluctuate wildly in 2011. Here are 10 to watch.
MoreBoosted by vast offshore discoveries, the Brazilian oil giant is on track to eclipse Exxon.
MoreThe disaster at Fukushima is raising antinuclear sentiment around the world. But can society afford to live without this carbon-free energy source? Six experts weigh in.
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