Dan Millis of Sierra Club Borderlands is leading this fieldtrip on Saturday, March 21, 10 a.m. Meet up at Kasa Mia, 460 N. Arroyo Blvd. in Nogales, Arizona. This is your invite to discuss and learn about the border walls' environmental impacts, travel to the where the Santa Cruz River is impeded by border barriers and more. Meet upstairs at Kasa Mia for a slide show and Q&A by Millis, followed by lunch and then visit with a border rancher who will share his experiences. High clearance vehicles are encouraged to the range and car pools. You may purchase your lunch at the restaurant or bring your own. The fieldtrip is free, but RSVP is required, by contacting Elna Otter at firstname.lastname@example.org or Jim McPherson at email@example.com or call 212-9736.