A well-connected, privately-funded initiative is emphasizing small, approachable actions in its push to improve youth civic engagement.

The Bush family’s nonprofit Points of Light 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.

MacKenzie Scott’s $50 million gift to the National 4-H Council, which the youth-focused nonprofit called “transformational,” is part of a new patch of the philanthropist’s donations now coming to light.