Megacities create megaproblems. Say "cities" and the negative associations come cascading out: noise, dirt, housing projects, shantytowns, concrete, crowding, crime, drugs, pollution, gridlock, stress, alienation. But they also spur people to figure out megasolutions.

The world's seemingly relentless march toward overpopulation achieved a notable milestone in 2012: Somewhere on the planet, according to U.S. Census B...

This year we actually have something to celebrate on World Population Day. Foundations, NGOs, and donor countries, led by the United Kingdom, will come together for an international summit on family planning.

Ahead of this year's World Population Day on July 11, 2012, U.N. Secretary General Ban Ki Moon issued a statement reiterating the importance of making...

It is clear we also need to embrace technology to enable us to double or triple food production to meet our needs. It may not sound too tasty, but just yesterday a Dutch scientist unveiled what purports to be a hamburger grown in a test tube from bovine stem cells.

The US population is wealthier, older, less fertile and more influenced by immigration than the other countries projected to experience major population growth, so why is the U.S. population is expected to grow much more than other wealthy countries?

This past Thursday, on the 10th of November 2011, former U.N. Secretary-General, Kofi Annan delivered a speech at Stanford University on the occasion ...

As the world's population is projected to surpass 7 billion this week, there's some very interesting multimedia projects out there dedicated to breaking down the numbers and exploring the implications.

In a world where severe poverty and hunger is on the rise, continued population growth is not cause for celebration. It's cause for concern and concerted action.