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News that effects the sustainability of life on Earth
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Good And Green Reasons To Buy An Electric Car This Year

Good And Green Reasons To Buy An Electric Car This Year | Sustain Our Earth | Scoop.it
By Felix Kramer and Max Baumhefner, via Switchboard When it comes to consumer products, environmentalists generally don’t encourage people to buy new and buy now.
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Rep. Ryan Needs To Learn Something (Anything!) About Clean Energy

Rep. Ryan Needs To Learn Something (Anything!) About Clean Energy | Sustain Our Earth | Scoop.it
What do you call a future of dangerous pollution, catastrophic extreme weather events, giveaways to Big Oil companies, and even greater reliance on fossil fuels?
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Environmental threats could push billions into extreme poverty, warns UN

Environmental threats could push billions into extreme poverty, warns UN | Sustain Our Earth | Scoop.it
UN's 2013 human development report urges action on climate change, deforestation and pollution before it is too late
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Coastal panel rejects Navy's plan to boost underwater blasts

Coastal panel rejects Navy's plan to boost underwater blasts | Sustain Our Earth | Scoop.it
SAN DIEGO — Citing the danger to whales and other sea life, the California Coastal Commission voted unanimously Friday to reject the Navy's plan for increased use of sonar and underwater explosives for training off Southern California.
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A new look at urbanization's environmental impact

A new look at urbanization's environmental impact | Sustain Our Earth | Scoop.it
A research team from Sweden has developed a technique for quick, simple and cost-effective mapping of worldwide urban growth and its environmental impact.

Via Arno Neumann
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Arno Neumann's curator insight, March 6, 2013 10:50 PM

AN : as the trend toward urbanization continues and megacities emerge, measuring the effects on the environment is crucial. This paper otlines some of the new tools to do so.

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This is what farms will look like in the future

This is what farms will look like in the future | Sustain Our Earth | Scoop.it
As the world's human population grows, we're reducing the amount of agricultural areas and forests. That's why some architects are working on concepts for sustainable skyscrapers and vertical agricultural buildings.

Via Steven McGreevy
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Steven McGreevy's curator insight, March 14, 2013 2:42 AM

Ummm... really?  Do any of these architects understand the concept of energy efficiency or net return energy?  For a bit a more feasible concept of what urban agriculture can look like, take a look at http://www.growingpower.org/

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Indígenas chilenas instalam energia solar no deserto de Atacama

Indígenas chilenas instalam energia solar no deserto de Atacama | Sustain Our Earth | Scoop.it
  Santiago, Chile, 14/3/2013 – Três povoados indígenas do altiplano do Chile acabam de receber equipamentos de energia solar.

Via Digital Sustainability
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Digital Sustainability's curator insight, March 15, 2013 8:24 AM

Santiago, Chile, 14/3/2013 – Três povoados indígenas do altiplano do Chile acabam de receber equipamentos de energia solar. As destinatárias são cinco moradoras que cruzaram o planeta e as barreiras idiomáticas para aprender na Índia técnicas fotovoltaicas que agora aplicam em suas aldeias. As atacamenhas Luisa e Liliana Terán, primas da comunidade Caspana, as quechuas Elena Achú e Elvira Urrelo, de Ollagüe, e a aymara Nicolasa Yufla, de Toconce, têm o desafio de instalar esses equipamentos e revelar seus mistérios aos habitantes dos três povoados, com pouco menos de mil pessoas.

Nessas localidades, a mais de três mil metros de altitude e quase no limite com a Bolívia, não há eletricidade e a água escasseia. “Temos luz por gerador apenas duas horas e meia por dia à noite”, contou à IPS por telefone a artesã em pintura rupestre Luisa Terán.

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L'incroyable science de la "junk food" : comment l'industrie agroalimentaire s'y prend pour nous rendre accros

L'incroyable science de la "junk food" : comment l'industrie agroalimentaire s'y prend pour nous rendre accros | Sustain Our Earth | Scoop.it
Un article fleuve du New York Times analyse les stratégies déployées par les géants de l'agroalimentaire pour générer des addictions chez les consommateurs. Révélations.

Via Hubert MESSMER @Zehub on Twitter, Frédéric Liégeois
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christine rachel levy's comment, March 16, 2013 4:52 AM
fais toi choix camarade !
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Japanese tsunami debris makes its way into Hawaiian birds -- CNN VIDEO

Japanese tsunami debris makes its way into Hawaiian birds -- CNN VIDEO | Sustain Our Earth | Scoop.it

March 11, 2013 - CNN US

Your first view of Kamilo Beach on Hawaii's Big Island is of majestic rock, postcard-worthy waves and miles of uninhabited beach. But look closer at the sand and you see specks of blue, yellow and white plastic... http://www.cnn.com/2013/03/11/us/hawaii-japan-tsunami-debris

 

MORE ON THE DEVASTATING PLASTIC TRASH IN OUR OCEANS

http://www.scoop.it/t/our-oceans-need-us?q=PLASTIC

 

 


Via pdjmoo, Marian Locksley
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Marian Locksley's curator insight, March 15, 2013 1:10 PM

The 'Endless' Clean-up & still contaminates much !

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How One Activist Diverts Food Waste to Soup Kitchens

How One Activist Diverts Food Waste to Soup Kitchens | Sustain Our Earth | Scoop.it
With 7 billion mouths to feed, and at least 1 billion of them empty, it’s astounding that we waste 30 to 50 percent of food produced globally.
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Cheap Oil to the Rescue, Economist Predicts

-Economist Robert Z. Aliber didn't hedge his prediction on what a barrel of oil will cost one year from today.

“It will be at $56.65,” he declared, down sharply from its current level of about $90.

SustainOurEarth's insight:

Cheap???  This only promotes burning more fossil fuel which we already can't afford!

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George Monbiot – Frozen Assets

George Monbiot – Frozen Assets | Sustain Our Earth | Scoop.it
Why are we exploiting unconventional gas when we can’t afford to burn existing supplies?
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Analysis: Antibiotic apocalypse

Analysis: Antibiotic apocalypse | Sustain Our Earth | Scoop.it
Are we about to enter a world without antibiotics 

A terrible future could be on the horizon, a future which rips one of the greatest tools of medicine out of the hands of doctors.

A simple cut to your finger could leave you fighting for your life. Luck will play a bigger role in your future than any doctor could.

The most basic operations - getting an appendix removed or a hip replacement - could become deadly.

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Japan Taps Methane Hydrates: Pondering the Explosive Implications | The Energy Collective

Japan Taps Methane Hydrates: Pondering the Explosive Implications | The Energy Collective | Sustain Our Earth | Scoop.it
Japan produced natural gas from offshore methane hydrates Tuesday, a breakthrough with potentially explosive consequences for both global energy markets and the effort to tackle climate change.
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As His Home Melts Away, Teenager Sues Alaska : NPR

As His Home Melts Away, Teenager Sues Alaska : NPR | Sustain Our Earth | Scoop.it
Nelson Kanuk, an 18-year old Yup'ik Eskimo, has seen the permafrost his home is built on melt, and in a year or two the house could be gone. Kanuk argues the state needs to take more action on climate change.
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Obama Will Use Nixon-Era Law to Fight Climate Change

Obama Will Use Nixon-Era Law to Fight Climate Change | Sustain Our Earth | Scoop.it
President Barack Obama is preparing to tell all federal agencies for the first time that they should consider the impact on global warming before approving major projects, from pipelines to highways.
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California's earthquake early warning system passes major test

California's earthquake early warning system passes major test | Sustain Our Earth | Scoop.it
In the seismic annals of California, Monday's magnitude 4.7 earthquake was little more than a footnote. It gave Southern California a small morning jolt but caused no damage and was largely shrugged off by noon.
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In Brazil, Non-Cash Currency Aids Community Revitalization

In Brazil, Non-Cash Currency Aids Community Revitalization | Sustain Our Earth | Scoop.it
What do palm trees, chestnuts, and kisses have in common? They’re all denominations of bank-issued alternative currencies that are a key community development tool in some of Brazil’s toughest neighborhoods.

Via John Boik
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John Boik's curator insight, March 13, 2013 10:30 PM

Alternative currencies spread in Brazil.

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Conscientious vs. ambivalent consumers: Do concerns about energy availability and climate change influence consumer behaviour?

Conscientious vs. ambivalent consumers: Do concerns about energy availability and climate change influence consumer behaviour? - Science Alerts Social Network (Do concerns about energy availability & climate change influence consumer behaviour?
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Consejos para una buena iluminación urbana

Consejos para una buena iluminación urbana | Sustain Our Earth | Scoop.it

La iluminación urbana tiene un papel importante no sólo por el mero hecho de arrojar luz en la oscuridad sino también porque una buena iluminación marca el pulso de una [...] The post Consejos para una buena iluminación urbana appeared first on...


Via Ursula Sola de Hinestrosa
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Comparing The Carbon Footprint Of Energy Storage Technologies

Comparing The Carbon Footprint Of Energy Storage Technologies | Sustain Our Earth | Scoop.it
Stanford scientists recently completed a very interesting and useful study on the carbon footprint of different types of energy storage.

 

When Barnhart crunched the numbers, the results were clear. “We determined that a pumped hydro facility has an ESOI (Energy Stored on Investment) value of 210,” he said. “That means it can store 210 times more energy over its lifetime than the amount of energy that was required to build it.

 

The five battery technologies fared much worse. Lithium-ion batteries were the best performers, with an ESOI value of 10.

 

The best way to reduce a battery’s long-term energetic costs, he said, would be to improve its cycle life – that is, increase the number of times the battery can charge and discharge energy over its lifetime. “Pumped hydro storage can achieve more than 25,000 cycles,” Barnhart said. “That means it can deliver clean energy on demand for 30 years or more. It would be fantastic if batteries could achieve the same cycle life.”

 

“The most effective way a storage technology can become less energy-intensive over time is to increase its cycle life,” Benson said. “Most battery research today focuses on improving the storage or power capacity. These qualities are very important for electric vehicles and portable electronics, but not for storing energy on the grid. Based on our ESOI calculations, grid-scale battery research should focus on extending cycle life by a factor of 3 to 10.”

 Video presentation of this info: http://youtu.be/j0uPa2SAoXY


Via Daniel LaLiberte
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Daniel LaLiberte's curator insight, March 15, 2013 8:51 AM

As long as the energy cost to produce a storage device is less than the energy savings we can get out of using the storage, then it is net gain, but it still may not be competitive.

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As Antibiotic Use in Food Animals Rises, So Does Public Concern | Food Tank

As Antibiotic Use in Food Animals Rises, So Does Public Concern | Food Tank | Sustain Our Earth | Scoop.it
Many food producers sell meat products treated with antibiotics. Growing concerns about human health effects give rise to calls for labeling and alternatives.
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economz | home

Economz is an art installation and website that shows viewers how their choices of what to eat impact their carbon footprint.
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Sweden's Bioenergy Success Story

Sweden's Bioenergy Success Story | Sustain Our Earth | Scoop.it
Sweden's Bioenergy Pyrogrot demonstration project was recently awarded part of a €1.2 billion award from the EU's New Entrants' Reserve (NER)300 program, which acts as a vehicle for demonstrating environmentally safe carbon capture and storage (CCS)...
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RPT-Pentagon weapons-maker finds method for cheap, clean water

* Filter could sharply cut energy needed to remove salt fromwater* Officials say firm has patented process, looking forpartners* Cheaper seawater purification could help ease watersecurity fearsBy
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