廚餘
Pratt is head of the Pratt Foundation, which has donated hundreds of millions of dollars since it was established and continues to give 15 million – 17 million per year, including to Planned Parenthood, The Urban League, St Jude's Hospital and many others. Pratt also serves on the board of trustees of the Appeal of Conscience Foundation. Pratt is patron of the Trilateral Track II Food and Water Security Dialogue which he launched with former Israeli Prime Minister Shimon Peres between India, Israel and Australia. Pratt is a patron of the Australia India Leadership Dialogue, and founding patron of The Prince's Charities Australia. In 2017, Pratt hosted a Food waste Summit at his Melbourne home aimed at halving Australia's food waste by 2030. Also in 2017, he was executive producer and guest conductor at a fundraising gala concert for the Melbourne Symphony Orchestra.