100 best money moves

Moves 77-79: Invest in green energy

The disaster at Japan's Fukushima nuclear plant -- coupled with conflict in the oil-exporting Middle East -- is likely to mean more growth for companies that produce alternative energy, says Tom Lydon, president of Global Trends Investments. In the past few years several ETFs have launched that make it easy to make a targeted investment in such firms. These three offer distinct strategies within this sector.

77. iShares S&P Global Clean Energy Index
Expense ratio: 0.48%
One-year return: -0.1%
With the lowest cost among its peers, this fund holds 31 companies that produce geothermal, solar, and wind energy, plus biofuel, hydroelectricity, and more.

78. Market Vectors Global Alternative Energy
Expense ratio: 0.62%Don't let losses over the past year deter you. This fund holds some European and Chinese alternative-energy companies that are hard to invest in any other way.

79. PowerShares WilderHill Clean Energy
Expense ratio: 0.70%
One-year return: 7%
The oldest and biggest (it launched in 2005 and has $562 million in assets), PBW invests in U.S. firms that focus on cleaner and renewable energy.

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Last updated April 28 2011: 11:32 AM ET