In the "clean technology" concept is a response to projected growth in world population, estimated at 2. 3 billion people by 2050. The theory that clean technology companies, environmental sustainability as part of its overall business profitable part of the strategy, the model will be successful companies must use to meet the need for food, clothing, housing and other resources will be increasing demand for a small number of to increase global income.

If the green technology developed in the 20th century, 70 years, the Government's control, to reduce industrial pollution and environmental impact of agriculture, "clean technology" embedded in the business model, from the beginning. Green technology has been regarded as the traditional costly and necessary loss of profits. Clean technology is based on business strategy, as a recognition that a shortage of resources and pollution exist, must be in the planning and cost-effective strategy. This is a long one, like when the merger to pay for office rent or purchase to its general budget of the production cost of materials.

In addition, some products, including never before seen in a clean background, such as ethanol, including the Green Fund. When the alternative energy fund would include companies, the bottom of producing ethanol, because ethanol as an alternative to petroleum-based fuels that clean technology funds, including in his portfolio, due to ethanol manufacturing company of their net impact of carbon. Production of ethanol requires more petroleum-based fuels to grow corn and process it, it has a significant positive impact on the use of the environment.

Green technology exchange traded funds (ETFs) are often only in a single industry, focusing on such as energy, manufacturing or recycling. Therefore, the Green Energy Exchange Traded Funds can be very volatile and sensitive to oil price fluctuations. Clean Technology Exchange Traded Fund has been less volatile (but, in the administration of justice, simply because there is clean technology index was established in 2006, so it is a long history of the track). Clean technology companies exist in a wide range of different industries such as agriculture, manufacturing, transportation, and new materials. Therefore, exchange-traded fund for clean technology has experienced more stable performance, with the S & P 500 index returns.

Tags: Clean, Different, From, Green, Iran, price fluctuations, production of ethanol, Tech, technology