You may draw upon your existing knowledge to complete assessments and make progress toward your degree. It does not matter where you gained your knowledge—from prior courses, work experience, military training, or other learning experiences. If you know it and can show it, you can use it to earn credit.
I'm sure other universities may offer something similar.
The self-contained, waterless toilet, designed and built using a $777,000 grant from the Bill & Melinda Gates Foundation, has the capability of heating human waste to a high enough temperature to sterilize human waste and create biochar, a highly porous charcoal, said project principal investigator Karl Linden, professor of environmental engineering. The biochar has a one-two punch in that it can be used to both increase crop yields and sequester carbon dioxide, a greenhouse gas.
The University of Colorado submission is one of four winners in round 2 of the "Reinvent the Toilet Challenge".
Life is a healthy respect for mother nature laced with greed.