candidate in the Harvard Graduate School of Arts and Sciences (GSAS) she co-invented a method that could enable the production of cheaper, longer-lasting solar panels that can be mass produced at a rate of a few feet per minute. ![]() ![]() As a master’s student and Marshall Scholar at Cambridge University, she created a new solar-to-hydrogen technology. “I realized that my habits as an individual will not make a big enough difference to matter,” Chang said, “but maybe my inventions could.”Īs an undergraduate at Princeton University, she invented a water decontamination process. That power gap might deflate the most ardent environmentalist, but for Chang, it was a call to action: Instead of just changing her behavior, she set out to change the aluminum and steel mills, coal plants, and concrete and plastic industries. Compared to industrial production, livestock farms, and highways jammed with cars, a cold shower won’t foot the climate bill. Most individuals won’t clench through two years of sustainability showers. “I was unwarrantedly stoically proud of my extreme shower practices,” Chang said, “until I learned about the order of magnitude that is needed to make a real difference.” And, for two years in high school, she showered sustainability-style, turning the water on just long enough to get wet, then lather up, and rinse off under a quick burst of cold water. She screened “Captain Planet and the Planeteers” at her school on Earth Day. This is one in a series of profiles showcasing some of Harvard’s stellar graduates.Īs a kid, Christina Chang was already a mini-sustainability activist. How Christina Chang shifted from cold showers to tech development in her quest for a more sustainable world
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