Students at UMass Amherst are staging a sit-in, continuing a multi-year campaign to stop the university from investing in gas and oil companies.

It began Monday morning, outside the chancellor’s office, when a few dozen students sat on the floor, lining the walls from the receptionist’s desk out into the hallway. Some held signs that said, “Divest The Rest,” referring to the UMass system’s commitment last year to pull investments from coal production companies.

Sophomore Sarah Jacqz says she’s involved because climate change is a crisis and here she can make a difference.

“We’re demanding that [UMass] President Meehan and [Board of Trustees] Chairman Woolridge divest the UMass endowment from the top 200 publicly traded fossil fuel companies,” Jacqz says, adding after a brief pause, “immediately.”

Students plan to occupy the UMass Amherst chancellor’s office until at least Wednesday afternoon, after board members meet at the Dartmouth campus.

A spokesperson for the UMass Foundation says the school will not detail specific investments in its $770 million endowment, or what percentage are in fuel.