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EcoGeek - Brains for the Earth

APR 16

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Ontario Completely Off Coal
Written by Philip Proefrock on 16/04/14   

The Canadian province of Ontario has officially shut down its last coal burning power plant.

Power for the province now comes from "emission-free electricity sources like wind, solar, nuclear and hydropower, along with lower-emission electricity sources like natural gas and biomass." The province had set a target of the end of 2014 to end its use of coal to generate electricity.

The Thunder Bay Generating Station was the last coal fueled power plant in the try it online ordering cialis province. Now that it has burned the last of its coal supply, the plant will be converted to a biomass-fueled power plant.

image: CC 2.0 by Kyle MacKenzie

Hat tip to @TomMatzzie

 

MAY 07

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Navy Demonstrates Fuel From Seawater Production
Written by Philip Proefrock on 07/05/14   

A team of US Navy research scientists has developed a method to produce liquid fuel from seawater, using CO2 and hydrogen extracted from the ocean and then processed with a metal catalyst to produce liquid fuel. As a demonstration of generic viagra propecia the concept, an unmodified scale airplane has been flown with the seawater fuel.

The concentration of CO2 is about 140 times higher in seawater than it is in the atmosphere. Carbon dioxide and hydrogen are the two feedstocks needed to buy viagra in new zealand make hydrocarbons. The process relies on "an iron-based catalyst [which] has been developed that can achieve CO2 conversion levels up to 60 percent and decrease unwanted methane production in favor of longer-chain unsaturated hydrocarbons (olefins)." The process is claimed to be the first technology of this type with the potential for commercial implementation.

"The predicted cost of jet fuel using these technologies is in the range of $3-$6 per gallon, and with sufficient funding and partnerships, this approach could be commercially viable within the next seven to ten years."

video clip: Flight with Seawater Fuel

image credits: U.S. Naval Research Laboratory

 

DEC 09

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Alternative Possibilities in Nuclear Power
Written by Philip Proefrock on 09/12/11   

Nuclear power is still a divisive issue among EcoGeeks. It's clean, at least from a fuel cycle carbon emissions standpoint. But it's a reasonable question whether it is truly cost-effective once all the www.jubileecampaign.nl issues of mining and processing the fuel, and treating and viagra online doctor storing the spent material and waste, along with the security and the public safety concerns (which carry their own not-insignificant costs).

There are many who claim that nuclear power is the greenest short-term alternative to coal to reduce carbon emissions from electrical power generation. And, on the other hand, we have seen some countries move to phase-out nuclear power in the aftermath of online purchase viagra the Fukushima disaster.

However, Fukushima-style boiling-water reactors are not the only way to levitra best price use nuclear power to produce electricity. For that matter, uranium isn't the only nuclear fuel that could be used. There are other reactor designs and fueling methods have been explored and are under development.

Over the invens.nl next couple of weeks, we are going to take a look at several alternative nuclear power technologies with an EcoGeek persepctive. We aren't going to draw any final conclusions with this one way or the other. We are advocating neither in favor of nor against any of these alternatives, nor are we for or against nuclear power, in general.

This article is part of a series on alternative possibilities in nuclear power.
Previously at EcoGeek:
Lesson of Fukushima: No-Nukes or Pro-Nukes?

 
"Technologies For Climate Protection" Exhibition Opens
Written by Hank Green on 01/12/08   

As part of this year's UN Climate Conference, the government of Poland has put together what might very well be the ecogeekiest place on Earth. A 7000 square meter exhibition hall containing 120 devices from 20 countries...

 

DEC 14

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U.K. Gets Vending Machines for Recycling Batteries, Light Bulbs
Written by Megan Treacy on 14/12/11   


We all know that batteries and CFL light bulbs don't belong in the trash, but recycling locations are not always convenient.  What if your local retail stores just had a vending machine where you could drop these items?  Well, that convenient option could be coming to us soon.

A company called reVend Recycling Ltd. has begun installing recycling vending machines for light bulbs and batteries in the U.K. that not only sort the items, but offer immediate rewards.

The first pilot machine was installed at an IKEA in London with great success.  At that location, recyclers were offered store credit to IKEA based on lowest price levitra generic online the amount they were recycling or the choice to donate to one of generic online levitra four charities -- the World Wildlife Fund, Woodland Trust, UNICEF and Save the Children.

The machines accept incandescents, CFLs and LEDs as well as any domestic batteries.  The machines are able to low price cialis track the bulbs and batteries by type, manufacturer and buy levitra vardenafil volume so that each can end up in the appropriate recycling facilities.

The company has signed an agreement with IKEA to install their machines throughout the U.K., Germany and Denmark.  They plan to expand their reach to more parts of Europe as well as into the U.S. very soon.

via Earth 911

 


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