Grasslands south of Boulder are glorious in May. Credit: K. Suding

Grasslands south of Boulder are glorious in May. Credit: K. Suding

Lab Retreat, December 2018, Mt Evans. Credit: I. Schroeter

Lab Retreat, December 2018, Mt Evans. Credit: I. Schroeter

Laurel Brigham & Jane Smith, T-Van, Niwot Ridge. Credit: N. Shackelford

Laurel Brigham & Jane Smith, T-Van, Niwot Ridge. Credit: N. Shackelford

Green Lake 4 and up towards the Arikaree Glacier, Niwot Ridge. Lake crew near outlet. Credit: K. Suding

Green Lake 4 and up towards the Arikaree Glacier, Niwot Ridge. Lake crew near outlet. Credit: K. Suding

Katharine Suding, Dunn House, Boulder Open Space. Credit: Matt Talarico, Media Impact Lab

Katharine Suding, Dunn House, Boulder Open Space. Credit: Matt Talarico, Media Impact Lab

Julie Larson, Drought Net Experiment, Boulder Open Space. Credit: K. Suding

Julie Larson, Drought Net Experiment, Boulder Open Space. Credit: K. Suding

Lisa Corwin & Deidre Jaeger, Macky Greenhouse. Credit: M. Talarico, Media Impact Lab

Lisa Corwin & Deidre Jaeger, Macky Greenhouse. Credit: M. Talarico, Media Impact Lab

A favorite tree, near Marshal Mesa, Boulder Open Space. Credit: K. Suding

A favorite tree, near Marshal Mesa, Boulder Open Space. Credit: K. Suding