For two weeks, Hurricane Dorian, one of the strongest hurricanes to make landfall in the Pacific, decimated large swaths of the Caribbean displacing 70,000 people and killing at least 50. Natural disasters like Hurricane Dorian in the Caribbean have only been worsening over the last decade, a trend often attributed to warming oceanic and atmospheric temperatures.

The Horn of Africa faces critical security and climate risks. Persistent droughts have precipitated the onset of food insecurity and waterborne disease, while heavy rain events such as Cyclone Sagar have caused widespread flooding, mudslides, and wind damage. These challenges are increasing in severity against a backdrop of changing demographic trends—including rapid population growth, increased migration, and urbanization—and power struggles both within and between countries in the region.  

By 2050, the UN estimates that 52 percent of the world’s population will be at risk for water insecurity. Climate change is threatening water availability through increased temperatures and drought, unpredictable rain, and the growing threat of more pollution. Globally, most wastewater reenters the water cycle without being treated, introducing dangerous unseen particles including pharmaceuticals, diseases, and larger waste products such as plastics.

Years ago, Mohamed’s family had enough to eat, despite being poor. His daughter owned a vegetable stall at a bustling market in northeastern Nigeria. The family had options: during the dry season, when Lake Chad was shallow, Mohamed could farm; and during the wet season, he could fish or graze his cattle.

Evidence that extreme weather, water, and climate events pose critical security risks to the U.S. homeland, national security, and global stability has been mounting in recent years. From destabilizing droughts in Africa to devastating hurricanes and flooding in the United States, we are clearly seeing an increase in not only the frequency and severity of these events, but also their physical, social, and economic impacts.

The UN Office for Disaster Risk Reduction recently released the fifth edition of the Global Assessment Report on Disaster Risk Reduction (GAR19). The report highlights the increasingly complex interaction between hazards, and provides an update on how risk and risk reduction are understood in practice. GAR19 also highlights how the latest Disaster Risk Reduction (DRR) framework integrates into global goals such as the Paris Agreement and the 2030 Agenda for Sustainable Development. To better understand the scope and significance of this report, New Security Beat sat down with Roger Pulwarty, Senior Scientist at NOAA, and a lead author of the GAR19.

Houston after another major flood a few weeks ago; the Bahamas after Dorian; Paradise, California, after the Camp Fire; Haiti after a major 2010 earthquake; Puerto Rico after Maria; New Jersey and New York after Sandy; New Orleans after Katrina; Thailand and Indonesia after the Indian Ocean tsunami in 2004… The list goes on. As we head into another hurricane season, we should once again examine what we’ve learned and prepare to reduce the impact of disasters on communities worldwide.

Water is so scarce these days in Murrurundi, a drought-tested town in the northern reaches of New South Wales, that it arrives by truck.

Murrurundi Dam, an off-channel reservoir that draws from the Pages River, is functionally dry. An emergency well provides a little local water, but half of the small community’s supply is now trucked in.

“I’ve never seen the Pages River this low,” Daele Healy, who has lived in town for 15 years, told Circle of Blue. “There’s just no water visible at all. Not even little ponds.”