Climate change negotiations seem to crawl along interminably at the pace of the glaciers they are meant to protect, with little perceptible progress as meeting follows meeting and conference follows lackluster conference. But this year we are seeing remarkable momentum building toward a historic conference in Paris in the closing days of 2015, by the end of which we will either have a new international agreement on cutting greenhouse gas emissions, or we will have seen the last of truly global efforts to strike a deal on saving our planet.

Accessing maternal health care is already a challenge in many countries, and when conflict erupts or a disaster strikes, it can get even worse, leaving millions of women on their own while at their most vulnerable, said Ugochi Daniels, chief of humanitarian response for the UN Population Fund (UNFPA). Women and girls also become more vulnerable to violence during times of crisis, she said, by virtue of nothing but their gender. [Video Below]

Though the bull market for metals and energy may be ending, global food prices remain stubbornly high. The inflation-adjusted FAO Food Price Index is down from the near historic heights of 2007-08 and 2011 but still higher than at any point in the previous 30 years, putting a brake on several decades of progress in reducing world hunger.

“Nigeria’s population is only two percent of the world population, but we contribute about 10 percent of the maternal mortality,” said Oladosu Ojengbede, professor and director of the University of Ibadan’s Center for Population and Reproductive Health. [Video Below]

There is widespread agreement, and untold publications, that argue urbanization is the defining issue of our time. There are more cities, both large and small, and more people living in those cities than anytime in human history.

Population projections undergird many important policy decisions, from the U.S. government’s Feed the Future program to the Sustainable Development Goals. But they’re not as straightforward as they appear. Demographers often base their estimates on complicated assumptions that aren’t obvious to the end user.