A food swap. A documentary screening and panel discussion. Healthy cooking demos on the UA Mall. Gardening classes. A harvest dinner. And a scavenger hunt. Those are just some of the local events planned to cele-brate World Food Day (which was Tuesday), a global movement to end hunger. Hundreds of Tucsonans are expected to take part over the next week. Find the complete schedule online (www.tucsonfoodday.com). Here are some highlights:

Lilly's Table Food Day Challenge

• When: Started Tuesday and goes 10 days.

• Details: This challenge is intended to motivate people to embrace the Food Day philosophy, which includes promoting safer, healthier diets.

Receive a daily email of support, recipes and inspiration throughout the 10 days, and be entered into a drawing to win a year's subscription to Lilly's Table meal-planning service (lillystable.com).

Envision Tucson Sustainable Festival

• When: Noon Sunday.

• Where: Reid Park, near South Country Club Road and East 22nd Street.

• Cost: Free admission.

• Details: For anyone who wants to learn about sustainable living, with new and practical eco-friendly ideas, products, and services.

Speakers, demonstrations and family-friendly activities in addition to food samples and a GMO-free vending area.

Harvest Dinner

• When: 4-8 p.m. Sunday.

• Where: Mercado San Agustin, 100 S. Avenida del Convento.

• Cost: $60. Buy tickets at www.santacruzheritage.org/FoodDay2012

• Details: This is the Santa Cruz Valley Heritage Alliance's second year hosting a harvest dinner that features local and heritage foods, including a tasting of Arizona wines and local beers. The evening starts with appetizers and a tour of the Mission Garden at the base of "A" Mountain. There's also a silent auction with heritage-themed goods, and information about the agricultural traditions of the Santa Cruz Valley.

Food Swap

• When: 5:45-7:30 Monday.

• Where: Register at www.foodswaptucson.blogspot.com to learn the location.

• Details: Exchange your own handmade, homegrown or foraged foods with others.

Tucson Village Farm U-Pick activities

• When: 3-5 p.m. Tuesday.

• Where: Tucson Village Farm, 4210 N. Campbell Ave.

• Details: Includes food samples, kid-friendly recipes and farm-fresh produce for sale by the pound. The farm is a program of the Pima County Cooperative Extension and the University of Arizona, designed to teach young people how to grow and prepare fresh food.

University of Arizona Food Day Fair

• When: 10 a.m.-2 p.m. Wednesday.

• Where: University of Arizona Mall.

• Cost: There are free demonstrations and samples, in addition to lunches to buy.

• Details: This year all of the Food Day activities at the University of Arizona will be concentrated on the Mall. Look for interactive exhibits by more than 20 groups and demos by professional chefs starting at 11:30 a.m.

Bring your lunch or buy one from UA Student Unions, which will grill beef burgers and vegan burgers (with heirloom tomatoes from a UA farm) and offer healthy options from the Red & Blue Market, a new line of to-go foods.

Wilbur Wildcat will make an appearance and the UA Steel Drum Performance Band will perform.

GMO Free Project's film screening

• When: 7 p.m. Wednesday.

• Where: The Loft, 3233 E. Speedway.

• Cost: $5 suggested donation.

• Details: Screening of the documentary "Genetic Roulette: The Gamble of Our Lives," followed by a panel discussion with Bill McDorman, executive director of Native Seeds/SEARCH and Melissa Diane Smith, education director of the GMO Free Project of Tucson (a group that promotes awareness of genetically modified foods).

Seed-Saving Workshop

• When: 1-3 p.m. next Thursday.

• Where: Las Milpitas, 2405 S. Cottonwood Lane.

• Cost: The class is free but reserve a spot at www.tucsonfoodday.com (click on the calendar and then on the event)

• Details: Learn when and how to save seeds from garden vegetables to plant them again the following year.

fall harvest festival at Farmers' Market

• When: 3-6 p.m. next Thursday.

• Where: 100 S. Avenida del Convento.

• Details: Fun and education for the whole family, with kids' activities such as pumpkin decorating, and a cooking demonstration highlighting native food ingredients. The mariachi band from Roskruge Middle School will perform.

learn how to Plant a Healthy Garden

• When: 9-11 a.m. Oct. 26.

• Where: Community Food Bank garden, 3003 S. Country Club Road.

• Cost: Free, but reserve a spot at www.tucsonfoodday.com

• Details: Join the Community Food Bank of Southern Arizona staff to learn the basics of planting, watering, management and harvesting of your healthy home vegetable garden.

Beneficial-Insects Class

• When: 1-3 p.m. Oct. 26.

• Where: Community Food Bank garden, 3003 S. Country Club Road.

• Cost: Free, but reserve a spot at www.tucsonfoodday.com

• Details: Join the staff of Arbico Organics to learn about natural pest control and pollination in your home garden.

Pio Decimo Seed Swap

• When: 5-8 p.m. Oct. 26.

• Where: Pio Decimo Community Garden, 848 S. Seventh Ave.

• Details: The Pio Decimo Community Garden and the Seed Library of Pima County Public Library host an evening garden event. Local food trucks will serve some ingredients sourced directly from the garden. Get updates at www.facebook.com/PimaSeedLibrary

Compiled by Inger Sandal