 At the same time, Heinz joined the board of The Heinz Endowments, where he oversaw the creation of an environmental grant-making program through a series of 14 topical environmental colloquia that convened leaders from around the world.He continues to serve on the Endowments board and on its Joint Investment Committee, which oversees the management of the $1.5 billion endowment.Following a six-month urban redevelopment project for the City of Pittsburgh, where he applied his knowledge together with colleagues at Carnegie Mellon University, Heinz began research for Paul Hawken on his latest book titled "Natural Capitalism."