How Much Oil Leaked from Deepwater Horizon?
Stephen Boss, University of Arkansas Main Campus
Students develop an estimate of the total quantity of petroleum discharged from the Deepwater Horizon from 20 April to 15 July 2010 using only two known facts, the diameter of the riser and the flow rate of the oil/gas mixture emanating from the riser.

Action to Enhance Sustainability
Bill Stigliani, University of Northern Iowa
This assignment is a 10-hour, out-of-class project where each student designs and carries out an action plan to enhance sustainability. Students select from a large suite of alternative actions, most of which can be quantified for reductions in CO2 and energy consumption, as well as in dollar savings.

Analysis of trends in global oil reserves, production, and consumption
Scott Cummings, Kenyon College
An exercise to analyze trends in global oil reserves, production, and consumption.

A mock legislative debate to enhance and integrate student understanding of climate change science, policy, economics and ethics
Mari Lee, Colorado College
This activity utilizes publicly available, proposed national legislation to provide a platform for student inquiry into the intersection of climate science, environmental economics and sustainable public policy.

Students' Evaluation of Competing Alternative Energy Options for a Sustainability Assessment
Hitesh Soneji, City College of San Francisco
A group exercise in trying to understand the many attributes that contribute to an overall assessment of sustainability for alternative energy projects.

Offshore wind or offshore oil?
Noah Snyder, Boston College
An introductory environmental science project tasking students with comparing offshore oil and wind power development.

Habitat for Humanity Build Day
Lori Troxel, Vanderbilt University
Teaching sustainability through Habitat for Humanity.

Using Lab Measurements to Determine the Feasibility of a Photovoltaic Panel
Tom Termes, Black Hills State University
Using Lab Measurements to determine the power output of a solar module and the economic feasibility of photovoltaic panels

Back of the Envelope Calculations: Renewable Energy
Laura Rademacher, University of the Pacific
This is an example of a back of the envelope calculation of the payback period for a renewable energy installation.