“Unless something changes in a major way, Nigeria will pass the United States as the third most populous country by mid-century and rival China with its number of people by the end of the century,” said Ken Weiss in his introduction to a recent webinar hosted by Resource Media. But what does population growth have to do with the environment?

The original version of this article, by Carl Haub, appeared on Demographics Revealed.

Few terms in demography can cause more confusion than “urbanization.” News stories reporting projections of world urbanization are nearly always accompanied by photographs of places such as London or Shanghai, and it does seem rather natural to think of urbanization in those terms.

Mexico’s 2012 elections were important for a host of reasons: the PRI party returned to power after 12 years of rule by the more conservative PAN; there was the first female presidential candidate from a major political party; and turn-out was historically high. They also proved that Mexico’s young people are not as apathetic as some may have thought, with the emergence of the #YoSoy132 student movement demanding fair press coverage.

The New York Times had a front-page story on Egypt’s population policy last week; unfortunately it wasn’t a sterling example of how to report on this tricky issue and left out a key part of the story – the important role of family planning in ensuring human rights, especially for women.

Much ink has been spilled on the growing trend of global land grabs – land purchased en masse in developing countries like Ethiopia by foreigners mainly for agricultural export. But along with land, investors often also gain the right to use local water, and sometimes with little consideration for local livelihoods. Fred Pearce recently looked into these “water grabs” in a series for National Geographic.

“My income is just right to feed us three times a day,” Jason Bostero told Sam Eaton in the rural Philippine village of Humayhumay. “It’s really, really different when you have a small family.” Eaton traveled to the Philippines to report on the connections between food security and population for Homelands Productions, creating a short film and radio piece that ran on NewsHour and Marketplace as part the Food for Nine Billion series last year. [Video Below]

“There is as much of that water on the planet today as when the first amphibian flopped ashore; as much as when the ancient Greeks divined the future in the babble of brooks,” writes William Wheeler in The Christian Science Monitor. “So why do experts in science, economics, and development warn that a ‘global water crisis’ threatens the stability of nations and the health of billions?”

The Amazon is home to some of the world’s most expansive rainforest – and, increasingly, some of Brazil’s fastest growing cities. Urbanization and deforestation are upending the traditional image of the Amazon, turning one of the world’s most biodiverse regions into an economic and demographic explosion, according to an in-depth article by Simon Romero in The New York Times.