Green ETFs are ETFs that invest in companies which are looking to benefit from investing in green technologies and make their money out of clean energy and related areas.
Here is a list of green energy ETFs.
Poweshares Green ETF
PowerShares WilderHill Clean Energy Portfolio (PBW): This green ETF tracks the WilderHill Clean Energy Index and will normally invest 80% of its assets in companies that are engaged in cleaner energy and conservation. The underlying index has got 54 publicly traded companies with a market cap in the range of $126 million and $26 billion.
PowerShares Water Resources Portfolio (PHO): This green ETF tracks the Palisades Water Index and invests in a group of companies that focus on potable water, water treatment, and the technology and services directly related to water consumption. The underlying index contains 33 companies that are publicly traded in US and have market cap in the range of $1.1 billion and $266 billion as on June 30, 2008.