http://www.nicholas.duke.edu/thegreengrok daily 1 2008-09-10T19:19:19Z http://www.nicholas.duke.edu/thegreengrok/threeamericantrees <img src=http://www.nicholas.duke.edu/thegreengrok/threeamericantrees/image_thumb/> In honor of the holiday, which technically falls on Friday, The Green Grok brings you the story of three American trees. No publisher erica New Haven grok video Emerald ash borer Chestnut blight ash trees multimedia Elm City biodiversity Dutch elm disease Arbor Day monoculture chestnut trees elm trees 2009-05-26T21:17:55Z Blog entry http://www.nicholas.duke.edu/thegreengrok/cityparks No publisher erica multimedia grok video 2009-03-16T16:50:16Z Blog entry http://www.nicholas.duke.edu/thegreengrok/sciencedebate2008 <img src=http://www.nicholas.duke.edu/thegreengrok/sciencedebate2008/image_thumb/> Did you know that both presidential candidates have now weighed in on some of the key scientific issues facing our country today, including global warming? Check it out -- knowledge is power.<br> Huffington Post <a class="external-link" href="http://www.huffingtonpost.com/bill-chameides/mccain-and-obama-on-scien_b_126815.html">Comments (1)</a> No publisher erica cap and trade grok video climate change multimedia global warming solutions science politics 2009-03-16T17:51:27Z Blog entry http://www.nicholas.duke.edu/thegreengrok/foodshopping <img src=http://www.nicholas.duke.edu/thegreengrok/foodshopping/image_thumb/> Many people know that cutting down on driving and making changes around the house can save lots of money and reduce global warming pollution. But did you know that tinkering with your diet and tweaking your grocery list can help too? The Green Grok's first video post will show you how. No publisher erica multimedia grok video 2009-03-16T18:07:03Z Blog entry