In Koyra Number 6, a coastal hamlet bordering the Sundarbans in southwestern Bangladesh, a group of men unload barrels of water from their trawlers – 50 drums holding 30 liters each. They announce their arrival by yelling. And word spreads. This is how this village gets their daily drinking water, from a town nine miles away.

This month, Baskut Tuncak, the United Nations special rapporteur on human rights and toxics, presented the findings of his report on the effects of hazardous substances on the lives of children around the world to the 33^rd session of the Human Rights Council. His conclusions were bold and brave for their implications on conflict: States should take responsibility for cleaning up the toxic remnants of war and providing medical aid to affected communities and individuals.

Featured side by side at the top of The New York Times home page recently were two stories: one on the United States and China, the world’s largest producers of carbon emissions, committing to a global climate agreement, another on how rising seas are already affecting coastal communities in the United States.

Most citizens of democratic nations expect their governments to do their very best to make society more egalitarian, productive, adaptive, and resilient. To do so requires governments to track not just today’s headlines but grapple with long-term underlying trends, like globalization and demographic change. Governments must also make assumptions about the future course of these trends and examine how they might collide or build on one another.

Near the corner of Broadwick and Lexington in London’s Soho neighborhood, a single spot on the ground has influenced more than 150 years of urban development. It’s the location of a water pump that in 1854 physician John Snow pinpointed as the source of contamination leading to a widespread outbreak of cholera in the neighborhood that killed more than 600 people.

Last month, the world came to Copenhagen to focus on how to achieve the Sustainable Development Goals (SDGs) for girls and women. The Women Deliver Conference, the largest gathering on girls’ and women’s health and rights in the last decade, was a huge success. Convening over 5,700 likeminded people from 169 countries was important to reenergize the movement and inspire action. Preaching to the converted is sometimes important. But now it’s time to focus on those who are not yet converted.

In principle, development organizations and donors have known that gender dynamics affect the success or failure of their efforts for some time. In practice, overturning cultural mores while at the same time improving health outcomes, incomes, or food security can be difficult. [Video Below]

2015 was a historic year for international commitments to sustainable development, climate change action, and new kinds of peacebuilding. For governments and policymakers, now comes the difficult task of living up to those commitments. [Video Below]