From Henry David Thoreau to Bill McKibben, critics and philosophers have long sought to demonstrate how a sufficient life – one without constant, environmentally damaging growth – might still be rich and satisfying. Yet one crucial episode in the his...

"Enlightenment's Frontier" looks at the eighteenth-century Scottish Enlightenment – which gave birth to modern-day environmentalism – and sheds new light on Scottish thinkers such as Carl Linneaus, David Hume and Adam Smith. In this groundbreaking ne...