Tag Archive | "ghg emissions"

Study Comparing Local To Meat-Free Diet Is Dated and Debunked

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Study Comparing Local To Meat-Free Diet Is Dated and Debunked

Posted on 30 June 2011 by Sustainability Digest

foodmiles-original-study.jpg
Note date on original study, linked to in articles

All the blogs are writing about a Harvard Business Review story by Andrew Winston, titled Local Food or Less Meat? Data Tells The Real Story ; even our Rachel picked it up with New Study: Going Meat-Free One Day a Week Saves More GHG Emissions Than A 100% Local Diet.

There are are, however, a couple of problems; a) the study on which the article is old an…Read the full story on TreeHugger

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Report: Cloud Computing GHG Emissions To Triple by 2020, iPad and Similar Devices Are Big Culprits

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Report: Cloud Computing GHG Emissions To Triple by 2020, iPad and Similar Devices Are Big Culprits

Posted on 30 March 2010 by Sustainability Digest

smog over los angeles photo
Photo via Al Pavangkanan

A new report from Greenpeace shows cloud computing GHG emissions are set to triple by 2020. With this year dubbed as the “Year of the Cloud” thanks to the exponential growth of cloud computing devices like e-Readers and of course the launch of the Apple iPad, Greenpeace’s report is a sobering reminder that our use of the cloud is not without a price in emissions. …Read the full story on TreeHugger

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San Francisco To Vote on Plan to Halve GHG Emissions

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San Francisco To Vote on Plan to Halve GHG Emissions

Posted on 09 January 2010 by Sustainability Digest

san-francisco.jpeg
photo via flickr

Sometimes living in the Bay Area is a great source of green pride. San Francisco has some of the most progressive environmental regulations in the country, and now the city is getting ready to tackle climate change. The Bay Area’s air quality agency will vote in April on standards that would cut in half the emissions of global warming causing gases and other pollutants attached with new development….Read the full story on TreeHugger

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Cutting Saturday Postal Delivery Would Reduce GHG Emissions

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Cutting Saturday Postal Delivery Would Reduce GHG Emissions

Posted on 24 August 2009 by Sustainability Digest

USPS Truck Image

Image Source: Wikipedia

Dear Pablo: I have heard that members of Congress are considering cutting the United States Postal Service’s (USPS) Saturday delivery in order to cut costs. In addition to saving money, I imagine that it would cut pollution as well, but how much?…Read the full story on TreeHugger

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BlogRoll Review: Coal, Corn, and Creativity

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BlogRoll Review: Coal, Corn, and Creativity

Posted on 19 July 2009 by Sustainability Digest

Coal Revolt

In the US, several state governments have made efforts to stop the construction of new coal plants. Even major creditors like BofA are refusing to finance these projects.

Now, city governments are getting into the act. Maria Energia says:

The city decided to make the switch to avoid paying more for fossil fuel electricity in the future, when carbon regulations (both California’s state regulations and federal ones, like a cap-and-trade policy) increase the cost of doing business with fossil fuels. Not to mention the “costs to society,” like higher medical bills for lung-related diseases such as asthma.

Green electrons are better than brown ones!

Corn Debate

While there is strong evidence that ethanol produced from fermentation of corn sugars is not likely to reduce GHG emissions, there is greater hope that ethanol produced from cellulosic could be a sustainable solution for creating biofuels. Yet, there are many uncertainties in this process.

On company, POET, claims they have a cellulosic breakthrough. Robert Rapier at the R-Squared blog conducted an extensive interview with POET’s VP of Science and Technology Dr. Mark Stower on their process.

This is really a fascinating and technically rigorous analysis of the corn ethanol debate. Great discussion on the socioeconomic implications as well. Thanks a lot, Robert!

Creative Sustainability

Patents are certainly a necessary aspect for innovation but in some ways it has been a hinderance when it comes to solutions needed for sustainability. In order to accelerate the transfer of ideas, other modalities of information sharing may complement and overcome some of the limitations of the existing patent system.

Joel Makower discusses these concepts through the GreenXchange.

** Also, the Green Agenda notes that the military is becoming increasingly concerned about the consequences of climate change.

** CleantechGreentech talked about PG&E’s effort to power homes with cow dung.

** It’s getting windy in Israel.

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