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Green news- California's new truck rule: It's big, it's bold, it's controversialCalifornia's new truck rule: It's big, it's bold, it's controversial Katie Fehrenbacher Wed, 07/01/2020 - 00:30 California's epic clean truck rule has arrived. It's big. It's bold. It's controversial. After months of discussion, last week the California Air Resources Board (CARB) unanimously approved the Advanced Clean Truck rule, which says that more than half of the trucks […]
- This coastal Louisiana tribe is using generations of resilience to handle the pandemicThis coastal Louisiana tribe is using generations of resilience to handle the pandemic Barry Yeoman Wed, 07/01/2020 - 00:15 When the COVID-19 outbreak first reached Louisiana and residents were ordered to stay at home, Marie Marlene V. Foret tapped into some skills she learned seven decades ago. Foret chairs the tribal council of the Grand Caillou/Dulac Band of Biloxi-Chitimacha-Choctaw, […]
- How Pandora hopes to reach 100% recycled silver and goldHow Pandora hopes to reach 100% recycled silver and gold Deonna Anderson Tue, 06/30/2020 - 08:55 By 2025, Pandora, the world’s largest jewelry brand by volume, will use 100 percent recycled silver and gold in its products. At least that’s the goal the Danish company set at the beginning of June. As it stands, 71 […]
- Where are they now? Catch up with 30 Under 30 alumniWhere are they now? Catch up with 30 Under 30 alumni Heather Clancy Mon, 06/29/2020 - 02:30 June 22 marked the publication of the fifth annual GreenBiz 30 Under 30, our report celebrating rising young professionals in the field of corporate sustainability. What’s up in the worlds of the 120 alumni from past lists? We […]
- How Black environmentalists are organizing to save the planet from injusticeHow Black environmentalists are organizing to save the planet from injustice Rachel Ramirez Fri, 06/26/2020 - 00:30 This story originally appeared in Grist; and is republished here as part of Covering Climate Now, a global journalistic collaboration strengthening coverage of the climate story. "I can’t breathe." These were among the final words that George Floyd and […]
- California's new truck rule: It's big, it's bold, it's controversial
Tag Archives: home solar systems
Home Solar Systems: Worth the Cost?
Humanity has acknowledged the power of the sun since prehistoric times, awed by the glowing orb whose presence creates day and whose absence plunges the world into darkness.
For all our advances in science and technology, most of the power from the sun still eludes us. NASA reports that we use only one ten-thousandth of the sun’s energy.
Photovoltaic (PV) solar electrical systems offer new and ever-changing ways to harness that energy. The term “photovoltaic” literally means light-electricity.
In 1839, French physicist Edmond Becquerel discovered that sunlight could produce an electric current. Another century would pass before scientists fully understood that this process happens at the atomic level. Albert Einstein’s only Nobel Prize was awarded for his work on the photoelectric effect. By 1958, the space program was using solar cells. Continue reading
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