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Marguerite Bay Glaceration
February 9, 2012 02:24 PM - Editor, ENN

Marguerite Bay or Margaret Bay is an extensive bay on the west side of the Antarctic Peninsula, which is bounded on the north by Adelaide Island and on the south by Wordie Ice Shelf, George VI Sound and Alexander Island. A new paper reports glacial geological data that provide evidence for the timing of ice-sheet retreat and thinning at the end of the last glaciation (~10,000 years ago) in Marguerite Bay. The length of time that rock outcrops have been exposed was dated which allow dating of the thinning of the ice sheet, and the record from seabed sediments. This then allows the determination of how the ice sheet retreated across the continental shelf. The dating shows a surprising pattern. About 9,600 years ago, the ice in Marguerite Bay appears to have thinned very quickly indeed, an observation that turns out to be consistent with several other datasets from the same area (ice-shelf collapse histories, raised beaches and lake sediment cores).

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Once, men abused slaves. Now we abuse fossil fuels
February 6, 2012 04:51 PM - Andy Gryce, Population Matters

Pointing out the similarities (and differences) between slavery and the use of fossil fuels can help us engage with climate change in a new way, says Jean-François Mouhot, visiting researcher at Georgetown University, USA. In 2005, while teaching history at a French university, I was struck by the general disbelief among students that rational and sensitive human beings could ever hold others in bondage. Slavery was so obviously evil that slave-holders could only have been barbarians. My students could not entertain the idea that some slave-owners could have been genuinely blind to the harm they were doing. At the same time, I was reading a book on climate change which noted how today's machinery — almost exclusively powered by fossil fuels like coal and oil — does the same work that used to be done by slaves and servants. "Energy slaves" now do our laundry, cook our food, transport us, entertain us, and do most of the hard work needed for our survival.

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SPOTLIGHT

Heat is Power Association Launches

Kelsey (Walker) Southerland, Executive Director, Heat is Power Association
In his recent State of the Union address, President Obama called upon an America built to last, "an economy built on American manufacturing, American energy, skills for American workers, and a renewal of American values." Today, the Heat is Power Association is ready to answer this call in this country and beyond. A coalition focused on the wide-scale development of a robust Waste Heat to Power (WH2P) market re-launched today as the Heat is Power Association to bring together everyone with a stake in clean energy and industry to capture an opportunity we're wasting every day—waste heat. And we're not alone. From the White House to the campaign trail to state houses across the country, almost everyone can agree on two things: that the way to spur the global economy is through manufacturing, and we must shore up clean energy supplies to power and protect cities and towns everywhere. Alongside President Obama's call for a renewed manufacturing sector, he touted the thousands of jobs that have been created at the hands of clean energy investments. By expanding our focus on the output of energy resources — emission-free electricity — we can grow those numbers exponentially.

What's new on our Community Blog



Blogging is Therapeutic for Teens

February 7th, 2012
Who knew that social media could be beneficial for adolescents? According to a new study by University of Haifa, Israel researchers, teenagers who blog to express their feelings and emotions is therapeutic for children ages 13-17. Psychology professors Meyran Boniel-Nissim and Azy Barak have found that a teenager writing a publicly-viewed blog on the internet is [...]
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Simple Tips for an Eco-Friendly Life

January 28th, 2012
Ok, so it’s almost February and we’ve already made our New Year’s Resolutions. But that doesn’t mean we still can’t be conscious of our environmental impacts and decide to make positive changes any time of year. Nourishing the Planet has put together some easy and straightforward changes you can make in your daily life that [...]
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Planning a Jolly Green Holiday

January 25th, 2012
Just because you’re going on vacation doesn’t mean you have to leave your eco friendly values behind. Nowadays there are a multitude of options for people who want to enjoy a more “eco-friendly” vacation. Options can range from staying in a green certified hotel and eating only local produce to a environmental cleanup themed volunteer-cation. [...]
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