Photographs by Nathaly Santana ’17, Martin Stute, and the Lamont-Doherty Earth Observatory

Schools participating in the Challenge commit to reducing greenhouse gas emissions and integrating sustainability into their curricula.

Assistant Professor Jonathan Snow and his research assistants investigate the possible causes of mass disappearances of honey bees, known as Colony Collapse Disorder.

Keyanna works in Barnard College's Arthur Ross Greenhouse. Her goal is to make urban spaces greener.

Theatre professionals use skills and artistry to make repair a viable alternative to discarding broken items.