Our Posterity = Our Children Posterity comes from Middle English posterite, from Anglo-French pusterite, from Latin posterus ("coming after") He who knows what sweets and virtues are in the ground, the waters, the plants, the heavens, and how to come at these enchantments, is the rich and royal man. – Ralph Waldo Emerson This year's Earth Day campaign is "Save our Species." Due to things like climate change, deforestation, habitat loss, trafficking and poaching, unsustainable