In an era where the health implications of our environments are under more scrutiny than ever, "Healthy Buildings" by Joseph G. Allen emerges as a crucial manifesto for the future of architectural and environmental health. Allen, a leading figure at Harvard's Healthy Buildings Program, alongside urban resilience expert John Macomber, unravels the profound impact our built environments have on our health, productivity, and overall well-being. Through a compelling blend of cutting-edge science and financial acumen, this book lays bare the often overlooked or underestimated factors within our homes, offices, and schools that influence everything from cognitive functions to long-term health outcomes. With a narrative that is as informative as it is urgent, Allen and Macomber not only diagnose the current state of our indoor spaces but also prescribe a path forward with their pioneering 9 Foundations of a Healthy Building. They skillfully demystify complex environmental and health sciences, making a clear and convincing case for the economic and human benefits of prioritizing building health. "Healthy Buildings" offers a blueprint for individuals and businesses alike, showing how small, controllable changes in our surroundings can have a monumental impact on our health and performance. In doing so, it charts a course towards a future where our buildings don't just shelter us, but actively contribute to our health and the vitality of the planet.