http://knau.org en http://knau.org/post/earth-notes-how-dark-can-night-sky-get <p>It’s well known that the sky gets darker as you get farther away from human sources of light. Wed, 19 Dec 2012 12:16:00 +0000 Diane Hope 24833 at http://knau.org Earth Notes: How Dark Can the Night Sky Get? http://knau.org/post/earth-notes-sunny-future-desert-power-what-about-tortoises <p>Sunshine is endemic to the desert Southwest. So is a venerable reptile, the Agassiz’s desert tortoise. Wed, 12 Dec 2012 12:53:00 +0000 Rose Houk 24505 at http://knau.org Earth Notes: A Sunny Future for Desert Power—But What About the Tortoises? http://knau.org/post/earth-notes-eating-wild <p>This year Americans will spend millions of dollars to eradicate weeds in yards, fields, and gardens. Meanwhile, a group of enthusiasts in Durango, Colorado, has come up with a different approach: eat the weeds! Wed, 05 Dec 2012 12:38:00 +0000 Rachel Turiel 23866 at http://knau.org Earth Notes: Eating the Wild http://knau.org/post/earth-notes-safeguarding-southwestern-bats <p>As winter approaches, some species of bats settle in to hibernate in caves. Lack of food and dropping temperatures drive them inside, where “carpets” of bats congregate on cave ceilings. Wed, 28 Nov 2012 12:00:00 +0000 Rose Houk 23706 at http://knau.org Earth Notes: Safeguarding Southwestern Bats http://knau.org/post/earth-notes-crown-fire-carbon-connection <p>Forests constitute an important part of the “Carbon World Bank.” The organic matter in their leaves, wood, roots and soil stores a great deal of carbon absorbed from the atmosphere. Wed, 14 Nov 2012 12:00:00 +0000 Diane Hope 23320 at http://knau.org Earth Notes: The Crown Fire - Carbon Connection http://knau.org/post/earth-notes-colorado-pike-minnows <p>The muddy San Juan River was once home to giant specimens of America’s largest minnow—a fish that could grow as long as a man is tall, and to a weight of a hundred pounds. Wed, 26 Sep 2012 15:07:31 +0000 Richard Mahler 20860 at http://knau.org Earth Notes: Colorado Pike Minnows