ERTHNXT is a 501(c)3 non-profit organization founded in 2004 by Bernard and Lisa David, a technology entrepreneur and former banker. Our mission is to help ensure there is a future of life on earth for all species. Our programs: • Educate young people with a curriculum of scientifically-based environmental knowledge; • Encourage them to take actions which will help advance the mission; and • Ensure that these actions/activities can be repeated and expanded as participants grow in knowledge and capacity. Our flagship program, Trees for the 21st Century, is a unique educational and tree-planting program for children ages 6 to 18, involving a science-based curriculum, tree planting, and ongoing stewardship activities.


2001 Market Street 10th Floor
Philadelphia, PA 19103

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