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.

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.

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.

It’s often assumed that in the modern era, food security is an achievable goal. But between 2007 and 2008, a confluence of conditions shook the international food system to its core, fueling unrest and riots in more than 40 nations around the world. What’s more, this “perfect storm” may have been only a harbinger of challenges to come, according to a new report by Emmy Simmons of the Center for Strategic and International Studies (CSIS).

AGADEZ, Niger — The world dismisses them as economic migrants. The law treats them as criminals who show up at a nation’s borders uninvited. Prayers alone protect them on the journey across the merciless Sahara.

The world of 2035 will be facing global and regional insecurities that could be “more dangerous than the second half of the Cold War era,” according to a 2016 report from the Atlantic Council.

It had been raining for two full days when the landslide came. Nirjala Adhikari vividly remembers the instant it hit her village in Sindhupalchok District, Nepal. “It was a very scary moment, and I couldn’t think of anything else than grabbing my mobile phone and my school certificate before I ran out of the house,” she recalled. “I secured my certificate because only this will help me establish a bright future.”

A report by the European Union on global food security finds 240 million people are in food stress thanks to conflict, refugee situations, flooding, drought, and El Niño. Part of a 2012 commitment by the EU to better target the root causes of food insecurity, the report analyzes the hunger situation in 70 countries and provides deeper analysis for 20.