A small group of climate change activists interrupted a New York City Ballet performance at the David H. Koch Theater in Lincoln Center on Tuesday, the opening night of the company’s spring season.

The protest occurred shortly before 9 p.m., as dancers and orchestra musicians performed George Balanchine’s “Tchaikovsky Pas de Deux,” the third ballet on an all-Balanchine program for the opening night, which coincided this year with Earth Day.

A woman began yelling from the balcony. Then, she shouted, “We’re in a climate emergency,” and unfurled a banner from a balcony.

Subscribe to The Times to read as many articles as you like.