“We believe that ecosystems can help people to adapt,” says Judy Oglethorpe in this week’s podcast. “But at the same time, people have to help ecosystems to adapt in order to continue to provide environmental services.”

“Youth in many countries is synonymous [with] masculinity,” says Chernor Bah in this week’s podcast. “Across governments – and I’ve looked at a lot of youth policies – girls are invisible.”

“Our responsibility is to call attention to the fact that there’s an invisible crisis happening,” says John Welch of Partners in Health in this week’s podcast. “Ebola is a huge issue for women’s health.”

“How does climate change affect people by age and sex, and where they live?” asks William Butz, director of coordination and outreach at the Wittgenstein Center for Demography and Global Human Capital, in this week’s podcast. “And how to do they respond? How do they adapt or fail to adapt?”

If you want to understand global population dynamics, you have to look past quantity and look at quality, says Wolfgang Lutz, founding director of the Wittgenstein Center for Demography and Global Human Capital, in this week’s podcast.

Technological solutions, like improved equipment and logistical tools, have been trumpeted as keys to finally ending preventable maternal and child deaths. “But it’s not just technology innovation that we need; it is systems innovation,” says Dr. Harshad Sanghvi in this week’s podcast.