Walking in quiet urban settings with shade and greenery improves mood and reduces stress. Hear about the seven principles of Leave No Trace and how we can protect our urban nature preserves. Felicia Wang, restoration biologist at the 130-acre Cache Creek Nature Preserve, tells us how it was restored from a gravel mine, why native plants and cultural burns help our local ecology, and how you can sign up for their internships and public education programs. Then travel to Arizona, the Grand Canyon State — home to the largest urban preserve in the country, sky islands, towering 100-year-old saguaro cacti, and a remote area where mules still deliver mail.

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