The duo joined Paul McCartney, Jon Bon Jovi, Fergie, Victoria Justice and Sheryl Crow, among others to record Love Song to the Earth, and the track has quietly debuted on Billboard's Pop Digital Songs chart with 11,000 first-week downloads.

Proceeds from sales benefit the Friends of the Earth and the U.N. Foundation.

Bedingfield, Paul and Justice and will perform the environmental anthem at the National Mall in Washington, D.C. on 24 September (15) as part of the rally, which will feature a speech from Pope Francis.