Hybrid Vehicles: Are They Worth It? part of 2012 Sustainability in Math Workshop:Activities
Lori Carmack, Salisbury University
In this project, students analyze the costs of gasoline nationwide. They also investigate the cost-effectiveness of purchasing a new hybrid vehicle as opposed to purchasing a new vehicle that runs solely on gasoline.

Applying Quantitative Reasoning to Biodiversity part of Activities
Kenneth Mulder, Green Mountain College
A series of 6 Excel-based projects on the mathematics of biodiversity for basic college math classes and developmental math classes. Students learn about the structure of biodiversity, the application of many basic data analysis skills, and the use of Excel for analysis and data presentation.

Salt Marshes: estimation techniques using basic algebra and geometry part of 2012 Sustainability in Math Workshop:Activities
Yelena Meadows, Upper Iowa University; Sharareh Nikbakht, Appalachian State University
The activity allows for learning about salt marshes ecosystem and practicing of basic math in estimations.

One day it is too hot and other days it is too cold. Do we need to replace the HVAC system? part of 2012 Sustainability in Math Workshop:Activities
Monika Kiss
This project will allow students to create a mathematical model to help in making decision about replacing HVAC units on a large scale.

Should I Unplug? part of 2012 Sustainability in Math Workshop:Activities
Lori Carmack, Salisbury University
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How Big is Your Breakfast Footprint? part of 2012 Sustainability in Math Workshop:Activities
Ben Galluzzo, Shippensburg University of Pennsylvania
Calculation of a carbon footprint resulting from common breakfast choices illustrates the importance of contextualization.

What's for Dinner? Analyzing Historical Data about the American Diet part of 2012 Sustainability in Math Workshop:Activities
Jessica Libertini, Johns Hopkins University
In this activity, students research the historical food consumption data from the U.S. Department of Agriculture to observe trends, develop regressions, predict future behavior, and discuss broader impacts.

Arctic Sea Ice Extent part of 2012 Sustainability in Math Workshop:Activities
Bill Bauldry, Appalachian State University
Student teams investigate Arctic Sea Ice by analyzing actual data and making predictions. A worthwhile extension is to predict the first year that the Arctic Ocean will be ice free.

Sustainability Efforts on Our Campus: A Mathematical Analysis part of 2012 Sustainability in Math Workshop:Activities
Lori Carmack, Salisbury University
In these open-ended but simple activities, students use basic mathematics and descriptive statistics to analyze campus sustainability efforts.

How Biodiverse is Lake Superior? An exercise in proportions. part of 2012 Sustainability in Math Workshop:Activities
Stephanie Kajpust
Students use critical thinking and algebra to measure and evaluate the biodiversity in Lake Superior.