University of Nevada Cooperative Extension is offering the spring session of the Nevada Naturalist Program in Las Vegas beginning March 25 to provide a broad understanding of nature for adults interested in learning, volunteering, teaching and participating in conservation projects locally.  The cost to attend is $195 per person or $295 for two people.  Registration fee includes all program materials, field trip entrance fees and some refreshments.  Registration is first come, first served and limited.  Call Denise Parsons at 702-948-5906 or email parsonsd@unce.unr.edu for more information.