Green Industry

Green Industries 2003037633 Juhyung,Yi

1. Top 10 of green industries

Wind

Windmill farms are sprouting up around the world. Australia, Europe and the United States are all investing in wind as a leading source of renewable energy. The business of wind not only includes the generation and sale of power, but also the design and construction of wind turbines. Few countries rely on wind for more than a tiny fraction of their power generation needs, but many countries are interested in the possibility.

If this is of interest to you, look for wind farm companies that sell wind-generated energy or companies that produce the windmill technology. There are few pure play stocks that deal in wind in the U.S., which will likely change over time, but companies like General Electric (NYSE:GE) have a presence in this market.

Water

One of the most important natural resources we have is water as it is a necessity in our survival. However, there has been a lot of fear that we are running out of clean water sources as the global population continues to grow. To investors this has created a clear opportunity to invest in companies that collect, clean and distribute water. The largest water utility company in the U.S. is Aqua America (NYSE:WTR), which supplies water to nearly 3 million people. Another company in the industry, on the purification side, is ITT Industries (NYSE:ITT), which produces water purification systems that help to make drinkable water.

To see the power of water, one needs look no further than China's massive Three Gorges Dam project. While this $25 billion structure on the Yangtze River will be the largest hydroelectric power station in the world, it's sure not the only one. Hydropower involves a lot of technology, a lot of infrastructure and a lot of power-hungry customers. Every one of those areas holds potential opportunities for investors. On the power side, two publically traded producers include PG&E...