Countdown: Our Last Best Hope for a Future on Earth? Class_HEALTH the follow up to the

the follow up to the bestselling A Brief History of Time

'The first billion is the hardest

But in the gloomy mansion filled with festering desires and forbidden passions

Or listened to your gut on a big decision

Countdown: Our Last Best Hope for a Future on Earth? Class_HEALTH the follow up to theIn his bestselling The World Without Us, Alan Weisman considered what Earth would look like with humanity gone. Behind his groundbreaking thought experiment was this question: Can humans be a part of a healed, restored planet? In his long awaited follow up, Weisman traveled to 21 countries to research the main obstacle to humanity's future: the sheer number of us. Weighing religious, cultural, and socioeconomic factors against biological and