electricity

Moving Toward 100% Renewables

September 9, 2015 By EarthWise

More and more cities, states and even entire countries are setting goals to use 100% renewable energy. For the most part, these goals relate to electrical power, which is the energy need most attainable via renewable sources. But ultimately, we would like to cover all of our energy needs – electrical power, heating and cooling, and transportation – using sustainable renewable resources.

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Electricity Goes Local

August 10, 2015 By EarthWise

Towns and cities are increasingly aware of the value of gaining control over their energy supply in order to make sure it is clean, efficient, reliable and secure. The central concept of what may become a local power revolution is the microgrid.

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Ever-Changing Light Bulbs

August 6, 2015 By EarthWise

Electric light became a part of our lives around 1880 as Thomas Edison began illuminating parts of New York City. For more than 100 years, the basic operating principle of light bulbs remained the same. For the most part, we used the incandescent bulbs that Edison pioneered. Of course, there were fluorescent bulbs as well, but most of our lamps used the familiar incandescent in various configurations.

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