This post has been updated. See the note below for details.
The Times is hosting a live Google+ hangout at 1 p.m. PDT today, delving into the issues surrounding the world population boom with reporter Kenneth Weiss and deputy managing editor for projects Marc Duvoisin.
[Updated, 12:20 p.m. July 23: Photojournalist Rick Loomis will also be joining the chat.]
After remaining stable for most of human history, the world's population has exploded over the last two centuries. And that boom is not over.
As the biggest generation in history enters its childbearing years, the coming wave of people will reshape the planet. The greatest effect is expected to be felt in the poorest, most unstable countries.
A five-part series exploring the population boom and its implications launched on Sunday.
-- Michelle Maltais