<http://schema.org/sameAs>
<https://www.youtube.com/user/MotherNatureNetwork>
<http://www.mnn.com/earth-matters/energy/blogs/checking-in-on-the-tva-coal-ash-spill?magic_tabs_comment_callback_tab=0&referer=node%2F24530&args=a%3A1%3A%7Bi%3A0%3Bs%3A5%3A%2224530%22%3B%7D>