Tag Archives: wave power

Swarms of Floating Marine Turbines Could Harvest Power from the Gulf Stream

Advocates say harnessing the Gulf Stream could create one-third of Florida’s energy needs. Image: NASA While most marine power projects rely on turbines or other power-generating devices in relatively shallow water, researchers from Embry-Riddle Aeronautical University are attempting a new spin on the concept: Creating swarms of floating turbines, tethered to the sea floor or on movable undersea platforms, and deployed in the Gulf Stream hundreds of feet be… Read the full story on TreeHugger

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Swarms of Floating Marine Turbines Could Harvest Power from the Gulf Stream

Honor and Serve Outdoors this September 11th

The Sierra Club is excited to announce a new opportunity to participate in the growing youth-driven movement to engage in community service while also honoring those who defend our country every day. This week we launched Serve Outdoors , a call to participate in the September 11th National Day of Service and Remembr… Read the full story on TreeHugger

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Honor and Serve Outdoors this September 11th

Can Twitter Change Chipotle’s Mandatory Bag Policy?

Image credit: Nesster /Flickr Jamming phone lines, fax machines or e-mail boxes with messages has been a key tactic ever since I first became an environmental activist. I remember one Senator telling me in 1994, before the internet existed as we know it today, before Facebook and Twitter and mass e-mails, that his staff was literally weighing the letters on a scale that we were sending from Sierra C… Read the full story on TreeHugger

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Can Twitter Change Chipotle’s Mandatory Bag Policy?

Banks Saying No To King Coal, Massey Energy

photo via flickr Good news from the world of finance. Over the last two years, Bank of America, Citi, JPMorgan Chase, Wells Fargo, Credit Suisse, and Morgan Stanley have adopted policies to limit their financing of companies involved in the practice mountaintop removal (MTR) coal mining. Wells Fargo is the latest to shift, showing that coal’s best days are behind it…. Read the full story on TreeHugger

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Banks Saying No To King Coal, Massey Energy

World’s Largest Tidal Turbine Unveiled in Scotland – Yes, It’s Humongous

photos: Atlantis Resources Corp. There are some big tidal turbines out there, but none so massive as the one pictured above: The Atlantis Resources AK1000, just unveiled in Scotland and due to be installed at the European Marine Energy Centre in Orkney later this summer. Weighing in at 130 tons and standing nearly 74 feet tall, with rotors nearly 60 feet across, the 1MW turbine’s manufacturers say it is capable of generating enough electricity for 1000 homes…. Read the full story on TreeHugger

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World’s Largest Tidal Turbine Unveiled in Scotland – Yes, It’s Humongous