byAaron Grade,Adam Terando,Amanda Sorensen,Dennis VanEngelsdorp,Elsa Youngsteadt,Desiree Narango,Gail Langellotto,Heidi Liere,Holly Martinson,Ignacio Castellanos,Iriana Zuria,John Kelcey,Katherine Straley,Lea Johnson,Lindsay Barranco,Lisa Kuder,Michael Raupp,Monika Egerer,Nancy Grimm,Nancy Sonti,Pedro Barbosa,Paige Warren,Rebecca Jordan,Riley Andrade,Steven Frank,Steward Pickett,Susannah Lerman
Today, 55% of the world's human population lives in urban areas. By 2030, up to 90% of the global human population will live in cities and the global population...