Archive for the ‘Technology’ Category

Sep18

Light rail systems really help

light rail

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More and more American cities have been adding or expanding light rail systems in recent years.  Notable examples over the past decade include Los Angeles, San Francisco, Portland, Dallas and Denver. (more…)

Sep15

Turning food waste into biogas

Rotting Apples

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Turning food waste into fuel is not a new idea, but it is one that is finally starting to catch on in a big way.  A growing number of wastewater treatment plants across the country are participating in the effort to recycle food waste and produce biogas. (more…)

Sep10

Organic flow batteries

wind turbines

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The rapid expansion of the use of solar and wind power is driving a growing interest in energy storage systems because in order to fully exploit these sources we need to be able to store the energy they produce for use when we need it. (more…)

Sep08

Energy scavenging

microwave

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In recent years, we have become familiar with the concept of energy vampires:  small devices around the house like phone chargers that steadily use up energy a little at a time.  We’ve all been encouraged to avoid wasting energy in this way by unplugging these things. (more…)

Sep05

Storing carbon under the sea

Ocean

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There are many strategies at play for reducing the carbon emissions that are driving global climate change.  These include reducing energy demand through conservation and efficiency measures and changing over to renewable energy sources.  But despite these efforts, the burning of fossil fuels continues to dominate the world’s energy sources because fossil fuels are plentiful and cheaper than the alternatives. (more…)

Earth Wise is a presentation of WAMC Northeast Public Radio and The Cary Institute of Ecosystem Studies Follow us Facebook Twiter RSS Podcast