“During my career, my viewpoint changed significantly in the understanding and definition of what security really is,” said retired Admiral William J. Fallon at the Center for Strategic and International Studies (CSIS) on November 2. “My current appreciation of it is that it’s much more fundamental, much more personal, much more at the individual human level than I had thought in earlier years.”

The size, composition, and spatial distribution of human populations are constantly changing, and in some areas of the world, they’re changing very rapidly. Related trends in fertility and reproductive health are also in flux. These changes will affect how people experience climate change, both individually and societally.

“Why should you consider taking a demography course in college?” That’s the question Joel Cohen, noted demographer and professor at Rockefeller and Columbia University, looks to answer in a 45-minute introduction to demography produced by the Floating University and released for free on YouTube.

“When I embarked on this series, I approached it as an environmental reporter: What does a growing number of us and growing consumption mean for our planet?” said Los Angeles Times reporter Ken Weiss at the Wilson Center on October 9. Weiss, along with photographer Rick Loomis, recently completed a five-part series and multimedia presentation on global population that was the culmination of a year of research and travel through more than six countries. [Video Below]

“Resilience is the capacity of individuals and institutions to cope and adapt in the stress of chronic violence in ways that allow them room for maneuver and hope for the future,” said Diane Davis, Harvard professor of urbanism and development, in an interview at the Wilson Center.

Across India, where I live and work, I can clearly see the connection between land rights and peace and security.

With respect to personal safety and security: 12 percent of all murders here are related to conflicts over land.

On a provincial level: few weeks go by without newspapers here reporting on violence between communities who are battling over land.

As our ferry slowly made its way across the Pangani River along the northern coast of Tanzania, I sat next to a woman whose child held her hand tightly. The boy and I exchanged smiles, but we mainly admired the view. The late morning sun was behind us as the royal blue river met the cloudless sky.

Sub-Saharan Africa is a key region both for conservationists and those working for improved public health. Nine of the world’s 34 biodiversity hotspots are in sub-Saharan Africa, as are two of the five most important wilderness areas. This hotbed of biodiversity is also home to many of the world’s most rapidly growing populations and swelling urbanization, which is putting increased pressure on natural resources.