As Islamic State of Iraq and the Levant rebels were steadily pushing into Iraq last month, ultimately threatening the country’s largest dam, water conflict was a popular topic on the blog.

“The greatest challenge we have today is that we have a world that is pushing back on rights,” said Dr. Babatunde Osotimehin, executive director of the United Nations Population Fund (UNFPA), at the Wilson Center. [Video Below]

As presidents, prime ministers, and other policymakers from across the continent gather in Washington, DC, this week for the first-ever U.S.-Africa Leaders Summit, what are the issues to watch?

As global environmental change accelerates, understanding how population dynamics affect the environment is more important than ever. It seems obvious that human-caused climate change has at least something to do with the quadrupling of world population over the last 100 years.

Migration is an “extreme” form of climate adaptation, but it does pay off for some, write Md. Monirul Islam et al. in a new article in the journal Climatic Change. In a study analyzing two Bangladeshi fishing communities, one long-established, the other the result of migration, the authors examine the effects of climate-induced migration on livelihood vulnerability.

Asia is going through an unprecedented wave of urbanization. Secondary and tertiary cities are seeing the most rapid changes in land-use and ownership, social structures, and values as peri-urban and agricultural land become part of metropolitan cityscapes. All the while, climate change is making many of these fast-growing cities more vulnerable to disasters.