China Racing Ahead of U.S. in the Drive to Go Solar

WUXI, China — President Obama wants to make the United States “the world’s leading exporter of renewable energy,” but in his seven months in office, it is China that has stepped on the gas in an effort to become the dominant player in green energy — especially in solar power, and even in the United States. Chinese companies have already played a leading role in pushing down the price of solar panels...

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Energy from moving water

Hydro-power generates electricity Hydro-power is the largest renewable energy source for electricity generation in the United States. In 2014, hydropower accounted for about 6% of total U.S. electricity generation and 48% of generation from all renewable. Because the source of hydroelectric power is water, hydroelectric power plants are usually located on or near a water source. Hydro-power...

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Environmental Benefits of Solar Power

Dense forests, stunning mountain ranges, and sprawling plains characterize Colorado, a state known throughout the country for its scenic landscape and rugged environment. From the first pioneers who set their eyes on the Rocky Mountains to recent transplants new to the state, Colorado has always represented a vast wilderness to explore and enjoy. If you’ve ever gazed upward from a hiking trail toward a looming snow-covered mountain peak, or stumbled across a field full of grazing deer, you understand...

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User's Guide to Solar Power

While many people are interested in using sustainable energy sources, the terminology can make the process of “going solar” seem more difficult than it really is. Before contacting solar installers in your area, learn more about how solar power works, and what to look for when installing panels at your home or business. Important terms you may come across in research Direct Current (DC) –...

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Wind Power-wind energy

Wind Power Wind power is the conversion of wind energy into useful form, such as electricity, using wind turbines and constitutes approximately 1% of global electricity output. Learn more. The expanding market for wind power Wind turbineMan has been capturing wind energy for millennia and it is now seen as an increasingly mainstream source of power. It is forecast that, worldwide, the market...

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Learning on Renewable energy

The United States currently relies heavily on coal, oil, and natural gas for its energy. Fossil fuels are nonrenewable, that is, they draw on finite resources that will eventually dwindle, becoming too expensive or too environmentally damaging to retrieve. In contrast, renewable energy resources—such as wind and solar energy—are constantly replenished and will never run out. Solar Most renewable...

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How to keep your roofs cool?

White painted roofs have been popular since ancient times in places like Greece. Similar technology can be easy to adapt to modern homes and other buildings. | Credit: ©iStockphoto/PhotoTalk A cool roof is one that has been designed to reflect more sunlight and absorb less heat than a standard roof. Cool roofs can be made of a highly reflective type of paint, a sheet covering, or highly reflective...

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