Astronomer and physicist Marcelo Gleiser shares an urgent call for a new Enlightenment and the recognition of the preciousness of life using reason and curiosity--the foundations of science -- to study, nurture, and ultimately preserve humanity as we face the existential crisis of climate change. Gleiser calls for us to embrace a new life-centric perspective, one which recognizes just how rare and precious life is and why it should be our mission to preserve and nurture it.