Among the plaintiffs is Daniel Goldstein, the spokesman for Develop Don't Destroy Brooklyn, a coalition of community organizations and elected officials opposed to the project.

Daniel Goldstein, a spokesman for Develop Don't Destroy Brooklyn, one of the groups that filed the suit, said yesterday that the collapse "certainly raises many questions."

Daniel Goldstein, a spokesman for Develop Don't Destroy Brooklyn, which opposes the Atlantic Yards project, was not surprised at the outcry.

Some are also involved with Develop Don't Destroy Brooklyn, a separate coalition of groups that strongly oppose Atlantic Yards.

The most vocal opposition group is a nonprofit named Develop Don't Destroy Brooklyn, which has been joined by several neighborhood and civic groups in lawsuits challenging the environmental review.

The most vocal opposition group is a nonprofit named Develop Don't Destroy Brooklyn.

Daniel Goldstein, a spokesman for Develop Don't Destroy Brooklyn, called the reductions "insignificant."

Indeed, as members of Develop Don't Destroy Brooklyn, Mr. Goldstein and others have collected 12,000 signatures opposing the project.

Daniel Goldstein, a spokesman for Develop Don't Destroy Brooklyn, estimated the size of the crowd at closer to 4,000 people.

They are contractually obliged to speak on behalf of his project," said Daniel Goldstein, a spokesman for the anti-arena group Develop Don't Destroy Brooklyn.