Terrorist groups such as the Islamic State and Boko Haram have been dominating the headlines since 2013.  Both groups have gained international notoriety for their ruthless brutality and their rise is posing new challenges for national, regional, and international security. Such non-state armed groups (NSAG) are not a new phenomenon. Today, however, we can observe an increasingly complex landscape of violent actors with a range of hybrid organizational structures and different agendas that set them apart from “traditional” non-state actors and result in new patterns of violence.

Before the 2015 floods that drowned Chennai, Pradeep John spent several years posting thorough and dutifully accurate updates and alerts on Twitter and Facebook as the Tamil Nadu Weatherman. An amateur meteorologist who developed considerable expertise in weather data and satellite imagery, John’s online followers relied on his crisp forecasts and advice.

Recent rises in temperature and typhoon frequency and intensity have resulted in more internal migration in the Philippines, according to an article by Pratikshya Bohra-Mishra et al. in Population and Environment. The authors conclude that temperature change and natural disasters, such as typhoons, can have a significant effect on short-distance, sub-national migration because they reduce rice yields, which is used as a proxy for agricultural productivity.

As more climate change seems locked in – some estimates suggest a 1.5-degree Celsius (2.5 degree Fahrenheit) rise above pre-Industrial averages is guaranteed – more governments are allocating resources to adaptation. Caribbean communities that contribute very little to climate change are some of the most vulnerable, and representatives from many met in October 2016 in Grenada to share experiences and build technical capacity.

CHENNAI, India – Almost a decade ago, when the first of Chennai’s bleach-white IT office buildings replaced coconut groves along the Bay of Bengal south of the city center, leaders hailed the potential for a new wave of clean jobs. Nine years later, it is clear that planners did not fully anticipate the consequences.

An international food crisis is currently unfolding on a scale not seen since World War II. More than 20 million people in Somalia, Nigeria, South Sudan, and Yemen are in danger of famine. UN Under-Secretary-General and Emergency Relief Coordinator Stephen O’Brien said in March, “We are facing the largest humanitarian crisis since the creation of the United Nations.”

VENGANTHANKUSI, India – Vijayakumar, 51, was a successful rice grower his entire life until this rainless harvest season. Described by family and friends as a tall, steady man of few words, Vijayakumar seemed unbent by the paralyzing consequences of Tamil Nadu’s deepest drought in 140 years.