Donations on the crowdfunding site to people and fire relief efforts have exceeded those for all natural disasters worldwide last year.

The Oscar-winning filmmaker Alex Gibney has sold a majority stake in his Jigsaw Productions to the philanthropist Wendy Schmidt.

The nominee for F.B.I. director made his nonprofit into a publicity machine, selling his children’s book, his clothing brand and his image as Donald Trump’s ultimate loyalist.

With major gifts to leading arts institutions, Oscar L. Tang and Agnes Hsu‐Tang have recently landed in the center of New York cultural philanthropy.

After the search giant welcomed more ads from small rivals like Ask.com, Google ad costs for some nonprofits ballooned.

The honorees include high-profile figures like Hillary Clinton, the singer Bono, the philanthropist and donor George Soros, and Lionel Messi.