For more than three decades, David Orr has been one of the leading voices of the environmental movement, championing the cause of ecological literacy in higher education, helping to establish and shape the field of ecological design, and working tirelessly to raise awareness of the threats to future generations posed by humanity's current unsustainable trajectory. "Hope Is an Imperative" brings together in a single volume Professor Orr's most important works, including classics such as "What Is Education For?, " "The Campus and the Biosphere, " and "Loving Children: A Design Problem." The book offers a complete introduction to the writings of David Orr for readers new to the field, and represents a welcome compendium of key essays for long-time fans. It is a must-have volume for every environmentalist's bookshelf.