Working with a student-spawned company, One Earth Designs, environmental engineering graduate Wesley Koo ’09 helped write the business plan for a low-cost solar cooker that won the top prize in the Netherlands Green Challenge. The lightweight portable device not only cooks food and boils water, but also provides home heating and generates power for lights or cellphones. The students hope the device will provide a healthy alternative to the common practice of cooking and heating homes with wood and yak dung. Read more.