14 episodes
The world’s population surpassed seven billion in the fall of 2011, and each additional billion has accumulated more quickly than the last. With burgeoning youth populations in the poorest parts of the world and rapidly growing middle classes elsewhere, demands on natural resources, transportation systems, health services, and housing raise pressing challenges regarding water, energy, urban design, and quality of life. What are the best ideas for tackling this global collision between population pressures, dwindling natural resources, health, and growth?