Washington ? Six former heads of the Environmental Protection Agency – five Republicans and one Democrat – accused the Bush administration Wednesday of neglecting global warming and other environmental problems.

“I don’t think there’s a commitment in this administration,” said Bill Ruckelshaus, who was EPA’s first administrator.

Russell Train, who succeeded Ruckelshaus, said slowing the growth of “greenhouse” gases isn’t enough.

“We need leadership, and I don’t think we’re getting it,” he said at an EPA-sponsored symposium centered around the agency’s 35th anniversary.

All of the former administrators raised their hands when EPA’s current chief, Stephen Johnson, asked whether they believe global warming is a real problem, and again when he asked if humans bear significant blame.