More than 1.8 billion people – nearly a third of the global population – are between the ages of 10 and 24, comprising the largest-ever generation of young people. According to Babatunde Osotimehin, executive director of the United Nations Population Fund (UNFPA), “how we meet the needs and aspirations of these young people will define the world’s future.”

The importance of reproductive health and rights in responding to global climate change and facilitating sustainable development is becoming increasingly clear. But as two articles recently published in The Lancet explain, any post-Millennium Development Goals development agenda that hopes to address these issues must do a better job reaching populations that have largely been excluded from recent advancements.

There are now well over 16 million refugees worldwide and 65 million people internally displaced by conflict and disasters, according to recent estimates. As more and more people are uprooted from their homes, mounting environmental pressures threaten to reinforce cycles of poverty and displacement if left unaddressed, says Alice Thomas in this week’s podcast.