Our world faces many possible futures. We must act today to ensure the best outcomes. In Impact Imperative, author Pamela Ryan explores the likely realities facing our planet and humanity for the next few decades. We are, as she tells us, at a pivotal moment in history where there are organizations and investors doing immense good, but there are also seemingly insurmountable challenges for our planet that they are trying to overcome: overpopulation, climate change, and economic disparity. Impact Imperative stems from consultations that Dr. Ryan and her colleagues had with over 130 professionals in the burgeoning impact innovation space. As Dr. Ryan shares insights from these ''impact innovators'' about how we can meet these challenges in the next few decades and beyond, she encourages readers to think about how they too can be a part of the impact revolution and help our future with their actions in the present