(Same as Environment M1B.) Lecture, three hours; discussion, two hours. Enforced requisite: course M1A. Limited to first-year freshmen. Food as lens for local and global environmental and sustainability issues. Integration of environmental, social, economic, and technological solutions for fair, sustainable, and healthy food production, food security, and access. Focus on human impacts on Earth's biological and physical systems, including how food production and consumption contributes to, and is impacted by, global problems, including climate change, pollution, and overpopulation. Laboratory exercises included in discussions. P/NP or letter grading.