A busy week on the CU Boulder campus saw snow, campus faculty showcasing CU Boulder's sustainability work, plenty of moving and shaking, and some spooky Halloween costumes! 

Ralphie sculpture by the CU Events Center after a snowstorm on Oct. 30, 2019. (Photo by Glenn Asakawa/University of Colorado)
Wolf Law Building after a snowstorm on Oct. 30, 2019. (Photo by Glenn Asakawa/University of Colorado)
Wolf Law Building after a snowstorm on Oct. 30, 2019. (Photo by Glenn Asakawa/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students enjoy a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Students walk across a snowy CU Boulder campus after a snowstorm on Oct. 30, 2019. (Photo by Patrick Campbell/University of Colorado)
Scenic views of Varsity Lake and the bridge over it following a snow storm on Oct. 29, 2019. (Photo by Patrick Campbell/University of Colorado)
A duck takes a dip in the chilly waters of Varsity Lake following a snow storm on Oct. 29, 2019. (Photo by Patrick Campbell/University of Colorado)
Scenic views of Varsity Lake and the bridge over it following a snow storm on Oct. 29, 2019. (Photo by Patrick Campbell/University of Colorado)
Sarah Mauney teaches a ballet class at the 2019 High School Dance Day at the CU Boulder campus. Over 140 high school students from around the state and six other states enjoyed instruction from CU Dance faculty. (Photo by Glenn Asakawa/University of Colorado)
NiiAhmah Sowan leads high school students in African dance at the 2019 High School Dance Day at the CU Boulder campus. (Photo by Glenn Asakawa/University of Colorado)
Erika Randall leads high school students in a contemporary dance class at the 2019 High School Dance Day at the CU Boulder campus. (Photo by Glenn Asakawa/University of Colorado)
Larry Southall leads students in his Hip Hop Party Dance class at the 2019 High School Dance Day at the CU Boulder campus. (Photo by Glenn Asakawa/University of Colorado)
Sarah Mauney teaches a ballet class at the 2019 High School Dance Day at the CU Boulder campus. (Photo by Glenn Asakawa/University of Colorado)
High school students go through moves in Larry Southall Hip Hop Party Dance class at the 2019 High School Dance Day at the CU Boulder campus. (Photo by Glenn Asakawa/University of Colorado)
A high school student leaps during an exercise in Erika Randall's contemporary dance class at the 2019 High School Dance Day at the CU Boulder campus. (Photo by Glenn Asakawa/University of Colorado)
Chase Gordanier as a T-rex for this year's Halloween festivities.
Chase Gordanier as a T-rex for this year's Halloween festivities.
Timothy Scarbrough dressed as a court case—International Shoe Co. vs State of Washington—for Halloween this year. (Photo by Glenn Asakawa/University of Colorado)
Timothy Scarbrough dressed as a court case—International Shoe Co. vs State of Washington—for Halloween this year. (Photo by Glenn Asakawa/University of Colorado)
Costumes were plentiful at the College of Engineering and Applied Science during Halloween this year. (Photo by Casey Cass/University of Colorado)
Some uniquely carved pumpkins were on display at the College of Engineering and Applied Science for Halloween. (Photo by Casey Cass/University of Colorado)
Some uniquely carved pumpkins were on display at the College of Engineering and Applied Science for Halloween. (Photo by Casey Cass/University of Colorado)
On Oct. 23 and 24, campus faculty and staff got to showcase much of the great sustainability work going on at CU Boulder by hosting a portion of the annual International Institute for Sustainable Laboratories Conference and Technology Fair. The I2SL conference is the leading international conference focused on energy efficiency and environmental sustainability in laboratories and related facilities, and attendees included leaders from the public and private sectors around the world.
On Oct. 23 and 24, campus faculty and staff got to showcase much of the great sustainability work going on at CU Boulder by hosting a portion of the annual International Institute for Sustainable Laboratories Conference and Technology Fair.
On Oct. 23 and 24, campus faculty and staff got to showcase much of the great sustainability work going on at CU Boulder by hosting a portion of the annual International Institute for Sustainable Laboratories Conference and Technology Fair.