President George H.W. Bush’s nonprofit plans to spend $100 million to boost volunteerism in America as Trump’s funding cuts threaten organizations

Points of Light, the nonprofit founded by Former President George H.W. Bush, will lead an effort to double the number of people who volunteer with U.S. charitable organizations from 75 million annually to 150 million in 10 years.

The ambitious goal, announced in New Orleans at the foundation’s annual conference, which concluded Friday, would represent a major change in the way Americans spend their time and interact with nonprofits.

It aspires to mobilize people to volunteer...