Nosaltres is a collection of reflections, descriptions, analyses, and images from a group of 52 women and men of diverse nationalities, religions, and professions in journalism, art, philosophy, and science, who are thoughtfully engaging with the future of our planet. This book is about all of us. It speaks from different perspectives, in various forms and languages. Poems, images, letters, dreams of ideal societies, and analyses of significant challenges, both current and future, inspire personal reflections.