New study sheds light on Antarctic sea ice mystery

June 24, 2020 by  
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By now, most people have heard about polar ice melting due to  global warming . But the coming and going of the sea ice surrounding Antarctica still leaves scientists puzzled. Recent research has shed light on changes in sea ice. Antarctica is known for its dynamic  sea ice , which contracts and extends seasonally, yet unpredictably. The drop in sea ice from 2015 to 2016 was staggering — 463,322 square miles, about twice the size of France. The following year, a Netherlands-sized hole melted within the sea ice. Geologists call this unfrozen expanse of open water within ice a polynya. Related: New map exposes secrets of Antarctica’s green snow So, what is happening to Antarctica’s sea ice? Recently,  Geophysical Research Letters  published new satellite research paired with data collected from ocean-faring floats. This research suggests that extremely powerful  storms  in the Weddell Sea whipped up warm winds, which lashed the icepack and brought on the 2015-2016 France-size melt. Storms started in September 2015, and the heat continued, causing the region’s hottest November on record. This weather created Antarctica’s first polynya in almost forty years. The polynya’s dark water absorbed more solar heat, leading to more melting. Then, another storm struck in December, further shrinking the ice. On March 24, 2015,  Antarctica  experienced its then-highest ever recorded temperature of 63.5 degrees. This February, the icy continent broke that record when it hit 65 degrees. “Variability in Antarctic sea ice extent is very large, and detecting an anthropogenic signal is going to be difficult,” said John Turner, a climate expert with the British Antarctic Survey, as reported by  Earther . “The increase up to 2014 was a surprise, considering the ice loss in the Arctic, and the rapid drop in 2016 added to the long list of questions about Antarctic sea ice. It’s unclear whether the sea ice extent will recover to 2014 values or if this the start of the long-term decline expected as  greenhouse gas  concentrations increase.” + Earther Images via Pexels and NASA Goddard Space Flight Center

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New study sheds light on Antarctic sea ice mystery

The future is uncertain: planning for the long term in a short-term world

April 29, 2020 by  
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One silver lining: corporate sustainability professionals are comfortable with complexity and change, and our modus operandi is to plan for the long term.

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The future is uncertain: planning for the long term in a short-term world

6 resources to help navigate the COVID-19 crisis

April 29, 2020 by  
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Because everyone can use some extra help and additional perspective right now.

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6 resources to help navigate the COVID-19 crisis

What past disruptions teach us about reviving supply chains after COVID-19

April 14, 2020 by  
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In the long term, the need for visibility into supply chain data, and ability to provide services digitally across borders, whether for telehealth or education, is clear.

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What past disruptions teach us about reviving supply chains after COVID-19

This tech breakthrough could revolutionize lithium extraction

April 14, 2020 by  
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One huge potential benefit: reduced production costs for electric vehicle batteries.

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This tech breakthrough could revolutionize lithium extraction

The Problems With Pesticides

March 31, 2020 by  
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As we collectively begin to consider the long-term impacts of … The post The Problems With Pesticides appeared first on Earth911.com.

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The Problems With Pesticides

We Earthlings: Earth Day Gifts

March 31, 2020 by  
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Did you know that the first Earth Day on April … The post We Earthlings: Earth Day Gifts appeared first on Earth911.com.

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We Earthlings: Earth Day Gifts

Ex-Google X engineer Tom Chi on tech that’s ‘net-positive’ to nature

October 3, 2019 by  
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“What I’m interested in is changing the economics around agriculture,” says the long-time entrepreneur.

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Ex-Google X engineer Tom Chi on tech that’s ‘net-positive’ to nature

A tale of two companies: Tesla, Ford and the need for long-term plans

May 22, 2019 by  
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How can we tell now if Tesla, Ford or any company is ‘future-fit’ when they don’t publicly disclose their long-term plans?

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A tale of two companies: Tesla, Ford and the need for long-term plans

Charging up: A review of electric vehicle workplace charging

April 1, 2019 by  
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Sponsored: ScottMadden explains how electric utilities and workplace charging hosts can contribute to the long-term success of electric vehicles.

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Charging up: A review of electric vehicle workplace charging

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