What would your water cost if you lived in another part of the world?
The average American family burns more than 6,200 pounds of coal a year. Calculate your personal coal use using this tool.
Can you supply enough energy for America while balancing carbon emissions and costs?
As town manager you've got one year to balance energy and water in a developing town.
The powering down energy challenge gives you the tools you need to chart your energy use and target savings in your home.