“Population is critical to thinking about sustainability and human wellbeing, and how we live and subsist on the planet,” says ECSP’s Roger-Mark De Souza on this World Population Day.

As the largest-ever generation of young people enters adulthood, armed conflict is having a profound effect on their future. People under the age of 24 comprise nearly half the world’s population but are the primary participants in conflict today. Conflict is more prevalent in younger societies, and half of all forcibly displaced people are children.

My grandmother was pleased when I told her I was heading to Ethiopia last November for an international conference focused on population, health, and the environment.

“You can look into the future a couple decades and get a very good idea about where countries are going,” said Richard Cincotta during a presentation at the National Defense University last summer – at least when it comes to demography.

Since 2005, the Reducing Emissions from Deforestation and Forest Degradation program (REDD+) has functioned as a mechanism to financially incentivize the preservation of forestlands in order to reduce greenhouse gas emissions. But beyond its original use, some organizations have also started exploring ways it can help with other development initiatives, like women’s empowerment. [Video Below]

When she finished her dissertation on migration as a response to climate change in 2003, it was one of only a handful of scholarly papers published on the topic that year, said Susana Adamo, an associate research scientist at Columbia University’s Center for International Earth Science Information Network. But in the decade since, interest in climate migration has exploded – in 2012, more than 10 times as many papers were published. [Video Below]

When Pakistan makes the news, more often than not it’s for one of two things: violent extremism or drone strikes. Adil Najam, a Pakistan expert and a lead author for the UN’s Intergovernmental Panel on Climate Change, says those headlines distract from a far more pressing security concern for the country: climate change.

Over the last two decades, social accountability has emerged as a strategy to make health services more responsive to community needs. It’s an approach that creates a space for “interaction between citizen engagement and government responsiveness,” said Jonathan Fox, professor of international development at American University at the Wilson Center May 5. [Video Below]