Solar Cooking
Robert Metcalf with water testing equipment

Dr. Bob Metcalf, one of the original founders of Solar Cookers International (SCI), is a professor in microbiology at California State University at Sacramento. Bob has traveled extensively on projects for SCI, working cooperatively with the UNHCR, Plan International, World Vision, and other international organizations. His specialty lately has been solar water pasteurization.

Bob was selected as the 2000-2001 Outstanding Teacher in the College of Natural Sciences and Mathematics at California State University in Sacramento, California. Award criteria include teaching effectiveness and impact on the lives and careers of students. Bob is well known for his work with solar cookers and solar solar water pasteurization in many countries around the world.

Bob explain has been able to confirm that contaminated water only has to be heated to 65° C to make it safe to drink, while most of the world still believes that water has to be boiled for up to 20 minutes.

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