Hedgehogs, the world's oldest living mammals, UCCS University Center, free. ZG Standing Bear will speak and bring several hedgehogs. Thurs., April 22, 1 p.m. For more, call Marguerite Cantu at 262-4124.
Exploring Deep Ecology, Pikes Peak Justice and Peace, 214 E. Vermijo, $25. 10-week course. Thursdays, April 22-June 24, 7-8:15 p.m. for more, call 632-6189.
Bird Banding Field Trips for School Programs, Chico Basin Ranch Bird Banding Station southeast of Colorado Springs. Free, but reservations required. April 19 through May 21. For more call 475-9199.
Mexican Spotted Owl economic and environmental reports available from the U.S. Fish and Wildlife Service for public review. Call 800/299-0196 or write the New Mexico Field Office, U.S. Fish and Wildlife Service, 2105 Osuna NE, Albuquerque, NM 87113. Written comments should be mailed or faxed to 505/346-2542 by April 26.
Fort Carson Restoration Advisory Board meeting, Elkhorn Catering and Conference Center Bldg. 7300 off Woodfill Road. Open to the public. Thurs., May 13, 6:30 p.m. For more, call Lindsay at 526-8001.
Energy Day, featuring Environmental Science Mobile Lab, fuel cell vehicle, renewable energy education and solar cooking. Worner Center quad, at 902 N. Cascade Ave. Free. Fri., April 23, 11:30 a.m. to 4 p.m. For more, call 227-0394.
Sustainable Seas: The Vision, The Reality, Armstrong Hall at CC, NW corner of Cascade and Cache La Poudre, free. Earth Week lecture by Sylvia Earle, former chief scietist of the National Oceanic and Atmospheric Administration. Fri., April 23, 6 p.m.
A Spirit of Love with the Earth: The Promises of Religious Environmentalism, Olin Hall, north of Shove Chapel, Colorado College, Free. Roger Gottlieb, Professor of Philosophy and columnist for Tikkun Magazine. Sat., April 24, 11:30 a.m. Call 227-0394 for more.
Pueblo County Earth Day Fest, Pueblo Zoo, Nadari Pavilion, 2295 Chantala Ave., Pueblo. Free. Sun., April 25, 9 a.m. to 4 p.m. Family fun, food, entertainment. For more, call Judi at 719/545-7347.
Pikes Peak Sustainable Business Network Luncheon, The Warehouse, 25 W. Cimarron St.. $18 members, $25 non-members, $10 students. Jeffrey Hollender, CEO of Seventh Generation, Speaker. Thurs., April 29, 11:30 a.m.-1:30 p.m. Register by April 27. For more call 471-2656.
Landscape classes, CSU Leon Young Center, 1521 S. Hancock Expressway, Free. Sat., May 1 Xeriscape Today, 9 a.m.; Irrigation 101, 10:30 a.m. and noon.
State of the Rockies Conference, Colorado College. Unveiling of the "2004 Rockies Report Card," evaluating demographic, social, economic, cultural conditions of region. May 3-4. Call 227-8145 or visit
Colorado Geology Class , Woodland Park. $68. Wed., May 5-June 9, additional field trip on a Sat for $48. For more, call 687-1229.
Geology Weekend in Colorado's Rift Zone, Woodland Park. $65/day. Sat., April 24 and Sun., April 25. Call 687-1229 to register.
Rocky Mountain Field Institute, in need of volunteers for workdays in Garden of the Gods on May 8, 9, 22, 23. Work includes creating small dams to slow runoff and trap sediment, creating erosion gullies. Other dates may be arranged for groups. Call 471-7736 for more.
Monument Valley Park Clean-up, meet at the Parks Department Greenhouse, 1003 Glen Ave. Enjoy the beauty and fragrance of lilacs in bloom while cleaning up the park. Bring gloves, hat, water and sunscreen. Sat., May 8, 9-11 a.m. Call Mary at 634-1986 for more.
Shooks Run trail and creek cleanup, meet at Taylor Park at Taylor Elementary School, Middle Shooks Run Park at the picnic pavillion at El Paso and Prospect, or at Leon Young Pavilion at Fountain Park, Fountain and Corona. Sat., May 15, 9 a.m. to 1 p.m. Rain date May 22. For more, call Malcolm at 510-6690 or 632-1080.
Great Circle Celebration, Community for Spiritual Living, 3685 Jeannine Dr. $1-$2. Featuring Joe Uveges, Phil Volan and other musicians for a celebration of music from around the world. Sunday, May 9, 6 p.m. For more, call 636-3637.
Bike Week, June 19-26. Explore alternative transportation. Includes Starlight Spectacular night ride, bike-to-work breakfast and festival. For more, call Ridefinders at 385-7431.
Bear Creek Nature Center Activities, Bear Creek Nature Center, 245 Bear Creek Road. Big Bear Day, $3, Sat., April 24, 9 a.m. to 1 p.m. Nature Explorers: Animal Moms & Babies (ages 3-5), Thurs., May 6, 1:30-2:45 p.m. Spring Moon Hike, Fri., May 7, 7:30-8:30 p.m., $2. Reservations required at 520-6387.
Fountain Creek Nature Center Activities, Fountain Creek Nature Center, 320 Peppergrass Ln., Fountain. Nature Adventure: Turtle Time, Wed., April 28, 1:30-3 p.m. $4; Sunset Wildlife Hike, $2, Fri., April 30, 6:30-8:30 p.m.; Sunset Wildlife Walk, Fri., April 30, 6:30-8:30 p.m., $2. Reservations required at 520-6745.
Starsmore Discovery Center, Starsmore Discovery Center, 2120 W. Cheyenne Rd. Volunteers needed for wide variety of duties, hours flexible. Call Bette at 578-6146 for more.
Mountain Park Environmental Center Activities, Mountain Park Environmental Center, 9161 Mountain Park Rd., Beulah. John Muir/ Earth Day Hike, Sat., April 24, 2 p.m. "Unsilent Spring," where you learn about calls and songs of local birds; program by Pearle Sandstrom-Smith. Thurs. April 29, 7 p.m. "The Art of Wildlife Tracking," Sat and Sun., April 24-25, 9 a.m. to 4 p.m. For registration and more information, call 719/485-4444.
Fourteeners Initiative's 10th Anniversary, 710 Tenth St., Golden. Colorado Fourteeners Initiative's volunteer open house, Wed., April 28, 6 p.m., free. Fundraiser featuring Northern Heights, presentation by Gerry Roach and silent auction, Wed., April 28, 7 p.m., $7. Call 303/996-2755 for more.
Women's photovoltaic design and installation class, Paonia. Learn how to use photovoltaic technology to produce electricity, install an operational system. May 3-14. For more, call 970/963-8855 or visit www.solarenergy.org.
Hayman Fire restoration projects, June 26 and July 17. Sponsored by the Coalition for the Upper South Platte. For more, call 800/420-9110 or visit www.uppersouthplatte.net.
Volunteers needed for Squirrel Creek Canyon restoration in San Isabel National Forest, June 26-27. To volunteer or for more information regarding Volunteers for Outdoor Colorado projects, call 303/715-1010 ext. 16.
Volunteers needed for Signal Butte Trail restoration near Divide, Sat., June 2, 9 a.m. to 5 p.m. For more, call 00/420-9110 or visit http://uppersouthplatte.net.
Mothering Mother Earth Fair, Pioneers Museum Park, 215 S. Tejon St., Free. Sustainability fair, parade, music, booths. Sun., May 9, 1-4 p.m. For more, call 632-6189.