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Kate Rozycki '13 and Erin Daly '10 were among students participating in 350.org's International Day of Climate Action by selling cookies baked at 350 degrees, and demonstrating cookies burnt at higher temperatures -- reminding people that letting CO2 levels get too high on Planet Earth will turn up the heat for everyone in ways they don't like. The sale raised money for sustainability efforts on campus. The number 350 is the safe upper limit, in parts per million, of carbon dioxide in the atmosphere. -- Photo by Joshua Levinson '13
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