EARTH+AND+SKY+TRAIL

** ONLINE RESOURCES FOR DIAGRAMS ** ** __ Geosphere sign __ ** Geology of the Chapel Hill area  http://www.ncgeology.com/Rocks_of_NC/pages/geologichistory_chapelhill_hillsborough_durham.html __** Hydrosphere sign **__ USGS The Water School https://water.usgs.gov/edu/earthgw.html Stormwater management  http://www.anderson-county.com/wp-content/uploads/2015/07/water_chart.jpgGroundwater rechargehttps://s-media-cache-ak0.pinimg.com/originals/7c/e2/ff/7ce2ff9b1cc40f11727a03d8a2208053.jpg __** Atmosphere sign **__ The National Center for Atmospheric Research http://www.eo.ucar.edu/basics/ NASA Climate Site https://www.nasa.gov/mission_pages/noaa-n/climate/climate_weather.html Thunderstorm formation
 * EARTH AND SKY TRAIL **

http://media.cmgdigital.com/shared/img/photos/2012/03/31/d0/70/thunderStorms_1031633a_1.JPG https://media1.britannica.com/eb-media/29/24029-004-07D6CD6C.jpg Fog formation http://courses.knox.edu/envs150/overheads/fogX.JPG

** Exosphere sign (Astronomy) ** http://blog.simulationcurriculum.com/articles/2015/5/6/astronomy-concept-diagrams ** Biosphere sign (wildlife) ** ** Sustainable design ** Cradle to Cradle design - William McDonough https://www.youtube.com/results?search_query=william+mcdonough+cradle+to+cradle+design+ Passive solar design  http://passivesolar.sustainablesources.com/Build it Solarhttp://www.builditsolar.com/Projects/SolarHomes/guidesps.htm ** Local agriculture ** ** Local history **