Nicole Wallace

One Acre Fund, a fast-growing nonprofit that helps poor farmers in sub-Saharan Africa improve crop yields, built the idea of continuous testing into its operations from the very beginning. The six-year-old charity has 18 employees in Kenya, 27 employees in Rwanda, and one employee in Burundi whose roles are to experiment with new ways of […]

Mark Zuckerberg electrified the country when he went on the “Oprah Winfrey Show” to announce a $100-million gift at the tender age of 26. But since that event nearly five years ago, the attention has turned more critical. Reporters raised tough questions about how the money, intended to improve Newark, N.J.’s troubled public schools, was […]

One example: Plan International works with local partners in Somalia to help students stay in school despite devastating drought.

Music of Remembrance was founded in 1998 to ensure the voices of the Holocaust were heard. The organization has since expanded its mission to honor all people who have been persecuted.

An institute at Cal Poly Humboldt has hosted seed and plant exchanges, a program on the restoration of kelp forests, workshops on tuna canning and salve making, and more.

Adventure Scientists has mobilized volunteers to collect water samples to measure microplastic pollution, tree samples to help identify illegally harvested timber, and more.

Founded in 2006, the organization has served more than 500,000 people. Its goal is to reach 10 million in the next five years.

The organization is taking its program to Chicago, Cleveland, Philadelphia, and Pontiac, Mich. Another 31 cities are on a waiting list.

Infant mortality has dropped by 50 percent in the past 10 years, and malnutrition is a fraction of the national rate.

The nonprofit Community Plate teams up with local groups to organize story-sharing potluck suppers.