What is the future of population and climate change research, and how can this research impact international policy? In a special issue of Population and Environment, environmental and social scientists look at these questions. “One of the most exciting developments in the climate change research community at present is the development of a new generation of climate scenarios,” write Adrian C. Hayes and Susana B. Adamo in the introduction. These can help facilitate more interdisciplinary research.

Democracy is fickle. Many of the competing theories on the best ways to foment and consolidate plural, inclusive governance or predict its rise and fall focus on political and economic forces. Yet a small group of demographers have explored population age structure as a catalyst for and reflection of a host of changes in societies that can affect governance.

The emerging subfield of “security demographics” is interested in how demographic trends, such as youth bulges, high or low fertility rates, and sex ratios affect the security and stability of nation-states and regions. In our research, Andrea Den Boer and I have attempted to show that abnormally high sex ratios – situations where there are significantly more men than women – have been a security concern in the past and may affect security and stability in the future.

When I first came on board the Wilson Center last Earth Day, I wrote that I wanted to forge new paths and identify ways that reproductive health, environmental conservation, and women’s empowerment affect our lives today and in the future.

In 2013 the United Nations Population Division revised its population projections to show that population could grow even faster than previously anticipated, especially in Africa. Planning ahead for feeding a hot, hungry, teeming planet is both a numbers game and social venture. Calories, climate change, and acres of land are some of the factors on one side of the equation. The 7 billion people in the world, projected to grow to 9.6 billion by 2050, are on the other.

If current projections hold, Africa’s population will more than double in 40 years, putting more people at risk of food, water, health, and economic insecurity as the climate changes, as well as negating progress made in reducing carbon emissions per person. But what if it didn’t? [Video Below]

Imagine you’re a woman living in Pakistan who would like to decide if and when to have children. You’re going to school, or you’ve got a job, or you’ve had a child and simply want some space before your next pregnancy. How easy will it be for you to get your needs met?

Blue Ventures has become a leader in the population, health, and environment (PHE) community through its work with the remote, semi-nomadic Vezo people living along Madagascar’s southwestern coast. In a new short documentary, The Freedom to Choose: Empowering Communities to Live With the Sea, Blue Ventures describes how their approach has helped the Vezo respond to the combined challenges of resource scarcity, poor reproductive health, and unsustainable livelihoods.