Anthropocene n. the epoch marked by humanity’s effects on global geology and ecology. (posted Mar. 22, 2006) [full entry…]
auroral chorus n. chirps, whistles, and quasi-musical sounds created by the electromagnetic effects of auroras in very low broadcast frequencies. (posted Apr. 24, 2006) [full entry…]
bootleg trail n. a walking path or track worn into the ground by habitual human passage rather than by design. (posted Sep. 4, 2007) [full entry…]
brownfield n. an industrial site, esp. when contaminated; a vacated building lot which has not reverted to a green state. (posted May. 7, 2004) [full entry…]
bucket biologist n. a person who illegally or carelessly introduces an aquatic species into a new environment. Also bucket biology, such a practice. (posted Sep. 1, 2006) [full entry…]
cherry-stem v. to extend a spur of unprotected non-wilderness land, especially a dead-end road or trail, through a protected wilderness area. Also as a noun and as the form cherrystem. (posted Sep. 12, 2007) [full entry…]
chicken head n. in skiing and other snow-based sports, a small chunk of frozen snow; in climbing, a small, round protrusion on a rock face. (posted Dec. 22, 2006) [full entry…]
death cookie n. especially in skiing, a chunk or clump of ice that makes a sport difficult. (posted Oct. 19, 2006) [full entry…]
ecotone n. an area where two ecologies meet or overlap. (posted May. 10, 2004) [full entry…]
Ecozoic n. an (imaginary) era in the future when humans live in harmony with nature and the Earth. (posted Nov. 9, 2004) [full entry…]
fairy ring n. a naturally occurring ground circle caused by fungi or other biological agents; figuratively, a fanciful ring or circle of mystical or unusual behavior or action. (posted Jul. 25, 2004) [full entry…]
fladry n.pl. a string of flags used to contain or exclude wild animals. (posted Sep. 27, 2005) [full entry…]
foodshed n. the area which can, or is sufficient to, provide food for a given location. (posted May. 15, 2007) [full entry…]