End of the "Old World" Parochialism: Around the World and Back Again http://www.globaled.org/curriculum/endofoldworld.html 
Lesson plan on the movement of flora and fauna from the Old World to the New World. From the American Forum for Global Education. 

Food and Foodways http://educate.si.edu/migrations/tiers/object/food.html
Information on the migration of specific food items from the Old World to the New World, from the Smithsonian Center for Education and Museum Studies. Covers black-eyed pea, cola nut, cotton, okra, peanut, sesame, surghum, and watermelon.

Food curricula on various topics http://www.globaled.org/curriculum/ffood.html
Seven activities covering such topics as the neolithic spread of food, the dissemination of food to and from the New World, nutritional issues of fast food, and fast food culture and its globalization. From the American Forum for Global Education.

Food in History http://www.nashville.k12.tn.us/CurriculumAwards/Cameron/FoodHistory.htm
Lesson plan for grades 6-8 by a teacher from Metro-Nashville-Davidson County Schools, Tennessee. Offered as a way to develop problem-solving skills relevant to current and future world problems is to food history.

Food Timeline Teacher Resources http://www.foodtimeline.org/
Edited by Lynne Olver, reference librarian with a passion for food history. 

Seeds of Change Garden http://www.mnh.si.edu/archives/garden/
Explore how the Columbian Exchange changed food in the Old World. From the Smithsonian Institution's Natural Partners Initiative

Specific Foods

vCacao/Chocolate 

vCoffee . 

vPistachios 

vRice 

History of Rice http://www.riceweb.org/History.htm
A history of the staple, produced by Riceweb, a consortium of international rice organizations.

vSalt

Importance of Salt http://www-geology.ucdavis.edu/~gel115/salt.html
Produced by Richard Cowen, Lecturer in the Department of Geology at UC Davis. Provides a brief history of salt and discusses the geology of salt with particular reference to Europe.

Salt Made the World Go Round http://salt.org.il/main.htm
A personal site on salt, produced by David Bloch of MRBLOCH SALT ARCHIVE. Includes information on such topics as production, archaeology, economics, and uses of salt. 

vSugar 

How Sugar is Made http://www.sucrose.com/learn.html 
Describes the history of sugar, sources of sugar, types of sugar, and the refining process. From Sugar Knowledge International, a commercial sugar producer. 

Nutrition

Ethnic/Cultural variations on the traditional European "Food Pyramid" by the USDA.
http://fnic.nal.usda.gov/nal_display/index.php?info_center=4&tax_level=3&tax_subject=256&topic_id=1348&level3_id=5732

Contemporary Issues

Culture

Gender

Gender and Food Security http://www.fao.org/Gender/en/agri-e.htm 
In-depth exploration of gender issues in food production from the Food and Agriculture Organization of the United Nations. Includes statistics, fact files on specific countries, and reports. 

Organizations

Food and Agriculture Organization of the United Nations (FAO) http://www.fao.org/

Food First/ Institute for Food and Development Policy http://www.foodfirst.org

TransFair USA is a non-profit certification organization for Fair Trade products consumed in the United States. http://www.transfairusa.org/index.html 

Lessons

The Earth as an Apple (Adapted from the Council for Elementary Science International Newsletter: Winter
1987-1988) Our classmate Donna Kasprowicz passes this lesson along to the group. It is a vivid demonstration of what a small portion of the earth we cultivate and would make a good introduction to a unit on agriculture. 

The Case of the Vanishing Farmland http://indianaintheworld.indiana.edu/theme.html 
Lesson plan from Indiana University's International Resource Center. See Theme IV and select lesson 2 for this topic. See also Theme II, lesson 2 for "Farming Around the World." 

(Columbia Exchange) End of the "Old World" Parochialism: Around the World and Back Again http://www.globaled.org/curriculum/endofoldworld.html
Lesson plan on the movement of flora and fauna from the Old World to the New World. From the American Forum for Global Education.

(Columbian Exchange) Food for the Ancestors (PBS)

(Hunger) Feeding Minds, Fighting Hunger http://www.feedingminds.org/
Lesson plans for exploring the problems of hunger, malnutrition and food insecurity. From A World Without Hunger.

(Various) Food curricula on various topics http://www.globaled.org/curriculum/ffood.html
Seven activities covering such topics as the neolithic spread of food, the dissemination of food to and from the New World, nutritional issues of fast food, and fast food culture and its globalization. From the American Forum for Global Education.