NEW YORK (AP) — The Weeknd and Shakira — two of the world's biggest touring artists — will headline this fall's Global Citizen Festival in New York's Central Park, supporting campaigns to improve energy access across Africa and defend the Amazon against deforestation.

Global Citizen announced Tuesday that the pop stars behind such hits as “Blinding Lights” and “Hips Don't Lie" will be joined by Tyla, Ayra Starr and Mariah the Scientist at the concert on Sept. 27. Hosted by actor Hugh Jackman, the annual event highlights the anti-poverty nonprofit's selected humanitarian priorities and urges attendees to collectively tackle those issues through direct support.

“The fact that these artists have immediate proximity to communities that have either recently emerged out of extreme poverty, or are emerging out of extreme poverty, gives them amazing perspective,” Global Citizen CEO Hugh Evans told The Associated Press. “And they bring that perspective into Central Park at this moment where I think the world needs a moment of unity now more than ever.”

The festival's goals involve securing commitments to bring clean, reliable energy to 1 million people in Africa; mobilizing $200 million for indigenous and local entrepreneurs to protect an Italy-sized chunk of the Amazon rainforest; and raising at least $30 million to help community-based education programs improve children's literacy.

Tickets to the festival are free, but fans must earn them by taking actions through the Global Citizen app. Opportunities include uploading videos calling on German and French leaders to back the Amazon protection plan and volunteering to mentor young people worldwide in career development.

This year's calls to action reflect the changing nature of online advocacy campaigns. Organizers find that social media posts and email-driven appeals don't carry the same weight as they did when Global Citizen first started rallying concertgoers. Evans said user-generated content such as a self-recorded clip creates "quality engagement" and makes it almost impossible to game the system.

In The Weeknd and Shakira, Global Citizen is reuniting with previous artistic supporters at a time when they are packing stadiums. The Weeknd, who this month wrapped a four-night run of sold-out performances at Los Angeles' SoFi Stadium, is donating $1 from every ticket sale to the FIFA Global Citizen Education Fund. Shakira, who recently completed seven consecutive sold-out shows in Mexico City, joined Coldplay onstage during a 2017 edition of the festival in Germany.

"Music has always been my way of connecting with people and leaving a mark on the world," Shakira said in a statement. “I can’t wait to perform, unite, and inspire action.”

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