In two historic federal endowments, the EPA awarded about $910 million in grant money to Southern California to reduce smog-forming emissions from trains, trucks and cargo-moving equipment at the Port of Los Angeles.

The collection of works by L.A.-based artists, known as MAC3, has a nearly $20-million endowment for future acquisitions, storage and care of the art.

“They have changed the fortune of this orchestra,” she said, referring to the $120-million donation they made in 2002 — the largest ever to a U.S. orchestra — that funded an endowment.

Ross and the endowment didn’t invent that movement.

The foundation is also funding a $20-million endowment to provide research grants to young scientists using novel processes to advance immunotherapy research, human immunology and vaccine discovery.