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If you work in a lab, one of the best habits is closing unattended chemical fume hoods—contraptions that consume a great deal of energy while protecting researchers from hazardous gases. To spread the message, �ٺ���Ƶ has launched a campaign to remind lab workers that “a closed hood is the safest hood.” In the weeks ahead, about 750 colorful stickers will be placed near fume hoods in at least six major research buildings on campus. In this photo, sustainability manager Allen Doyle, left, and student intern Gloria Mae Guzman are displaying the stickers near a fume hood in the lab of Richard Michelmore, the director of the Genome Center. The bright strips carry messages like “more safe, less energy” and “keep sash below red zone. “If all �ٺ���Ƶ researchers and instructors closed their hoods habitually, the campus would save $80,000 to $100,000 annually,” Doyle said. For more information, contact Doyle at apdoyle@ucdavis.edu or Guzman at gloriamae. guzman@gmail.com.