"In a paper published Thursday in Science, demographers from several universities and the United Nations Population Division conclude that instead of leveling off in the second half of the 21st century, as the UN predicted less than a decade ago, the world's population will continue to grow beyond 2100."
"United Nations, June 2008 - The bio-fuel, ethanol, is generating a revolution in renewable energy that could help reduce the world's thirst for oil. In Brazil, the production of ethanol from sugarcane is booming, but what is not clear is the impact it is having on the industry's sugarcane cutters." Transcript of video available here.
"Growing Power is a national nonprofit organization and land trust supporting people from diverse backgrounds, and the environments in which they live, by helping to provide equal access to healthy, high-quality, safe and affordable food for people in all communities. See other videos on this organization here."
"The world is becoming more and more interconnected. Globalization changes how people consume, work and live almost everywhere on the world. Today, many economic, political, cultural or ecological relationships are not explainable from a national perspective. At the same time, a controversial debate about the consequences of globalization has begun."
"In this exclusive, unedited interview, 'I Am Malala' author Malala Yousafzai remembers the Taliban's rise to power in her Pakistani hometown and discusses her efforts to campaign for equal access to education for girls. Malala Yousafzai also offers suggestions for people looking to help out overseas and stresses the importance of education."
"In the above poster the cities are arranged (roughly, in order to maximize space) by population. Clearly, size and population are not directly correlated. Some cities take up a lot more space for a smaller population. The relationship between the two, of course, is known as density (population density, urban density)."
"Population statistics are like crystal balls -- when examined closely, they can help predict a country's future (and give important clues about the past). Kim Preshoff explains how using a visual tool called a population pyramid helps policymakers and social scientists make sense of the statistics, using three different countries' pyramids as examples."
The supercheap and palatable noodles help low-wage workers around the world get by, anthropologists argue in a new book. And rather than lament the ascendance of this highly processed food, they argue we should try to make it more nutritious.
"For millions of refugees across Africa life is a daily struggle. Many dream of one day returning to their homeland while others have spent decades building a new life. On World Refugee Day, BBC Focus on Africa's Anne Soy visits a Somali family in Nairobi, Kenya, who cannot imagine returning to their roots."