In December 2015, Beijing issued its first-ever “red alert” for smog, its highest air pollution warning, which closed schools and restricted the number of cars on the road. Less than two weeks later, it issued its second.

Around the world, urbanization and climate change are transforming societies and environments, and the stakes could not be higher for the poor and marginalized. The 2015 UN climate conference in Paris (COP-21) highlighted the need for coordinated action to address the profound injustice of the world’s most disadvantaged people bearing the greatest costs of climate impacts. Among those at the COP were mayors from around the world advocating for the important role of cities in these efforts.

The government of El Salvador took a truly extraordinary step in an attempt to control the rapidly spreading Zika virus last week by asking its citizens to avoid getting pregnant from now until 2018. Yes, you read that right.

January 7, 2016 could hardly have been worse in this thunderously beautiful, water-parched, and economically reeling nation of 55 million residents at the bottom of Africa.

Myanmar is undergoing multiple transitions, from military rule to democracy, decades of civil war to peace, and from a command economy to a market-based one. No less of an important challenge amidst this backdrop of change and hope is addressing the country’s energy poverty.

This fall, the National Intelligence Council released an intelligence community assessment of the extent to which factors such as climate change, severe weather, conflict, resource scarcity, disease, poor governance, and environmental degradation will impact peoples’ purchasing power and food availability over the next decade. They found “the overall risk of food insecurity in many countries of strategic importance to the United States will increase.”