Has Humanity's Explosion Become a Population Bomb?

The world's population has exploded over the past century, growing from less than 2 billion to 7 billion people. And it's not stopping. The U.N.'s current projection is that humanity will number 9.3 billion individuals in 2050, and then hit 10.1 billion by 2100. Meanwhile, our energy resources are dwindling and… » 1/09/13 2:23pm 1/09/13 2:23pm

What does a world of 7 billion people look like?

Today saw the world's human population pass 7 billion for the first time ever — it's a huge landmark that's almost impossible for our limited brains to encompass. Luckily, National Geographic has been doing a year-long series about the growing population, and they've gathered some of their most arresting images, video… » 10/31/11 5:30pm 10/31/11 5:30pm

Can humanity survive a population of over 10 billion people?

By the end of this year, the human population is expected to reach seven billion people, just twelve years after we hit the six billion milestone. But how much more crowded is our planet going to get? Will we keep on expanding indefinitely, or are we approaching the upper limit? The current consensus is that we'll… » 2/20/11 1:20pm 2/20/11 1:20pm