Realistic Clean Energy Options

Realistic Clean Energy Options

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Unfortunately, the impression most people have of realistic, viable clean energy and renewable energy resources is that it can't be done cheaply or quickly enough to make a difference. Nothing could be further from the truth, however. With modern technology and new technology being developed and researched, as well as old tried and true methods, we have many options to produce sustainable energy that has little or no impact on the environment, leaves less of a carbon footprint and is potentially less expensive than relying on fossil fuels and other limited resources.

Clean energy is all around us, waiting to be harnessed, and we have actually been using it on the small scale for hundreds of years. Wind mills, dams, heat from the sun are all examples of methods and energy that humans have utilized for generations.

Generally, sustainable energy can be broken into three separate categories: First Generation, Second Generation and Third Generation. Knowing a little about the history of how we have used these energy producing methods can help us plan for the future as well, and show us how far our technology has come over even a few short decades.

First generation technology refers to energy creating sources such as early solar power panels, windmills and hydroelectric dams. Solar panels have actually been in use for well over 50 years, and large hydroelectric dams can help provide electricity for entire regions. However, the environmental impact and efficiency of such dams make them less desirable than other clean energies.

Second generation sustainable fuels and energy types include geothermal plants, modern solar panel and solar nanotechnology, hydrogen-oxygen fuel cells and wind turbines. While advancements to geothermal plants are still underway, wind turbines are in use around much of the world, though in the U.S. they have been slower to catch on.

Lastly, third generation technology for clean power sources is still largely under development. This includes experimental fuel and energy types, such as geothermal heat pumps, wave energy and landfill gas conversion. No doubt we'll be hearing more about these sources in the near future as possible energy alternatives.

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