Celebrate Sustainability with #YSustain! Check back next year to participate in What Sustains You by Tweeting and/or Instagramming a response and photo @YaleSustain with the hashtag #YSustain. Capture your favorite moments of celebrating sustainability while attending events and/or supporting sustainability efforts throughout the week.

Congratulations to this year’s #YSustain winner, Mary Burke, for her photo of Kroon Hall during the Yale F&ES Alumni Reunion Weekend.