Climate security is an essential conceptual framework to understand the global interplay of biophysical and socioeconomic forces that threaten our planet. Indeed, it is so important that new currents of science, politics, and advocacy make refining definitions a necessity.

The negative impacts on global food security wrought by Russia’s war in Ukraine are obvious. But recent news that Russia currently occupies more than one fifth of Ukrainian farmland, draws attention to another dimension of this politically-induced food and agricultural crisis: land itself. Of course, territory has long been an object of conflict and warfare. But agricultural land—in particular—is also a key, though understated, dimension of the geopolitical ambitions undergirding Russian activity at home and abroad.

Ever since the CNA’s Military Advisory Board—composed of former U.S. military personnel—named climate change as a “threat multiplier” in a 2007 report, the term has gained widespread currency both in environmental and national security circles. It also has propelled the need to assess and address climate-related security risks higher up overall policy agendas.

Supply chain considerations in today’s globalized economy have expanded beyond minimizing costs. As Duncan Wood, Vice President for Strategy and New Initiatives and Senior Advisor to the Mexico Institute at the Wilson Center, noted at a recent panel hosted by the Environmental Change & Security Program as part of the Transatlantic Climate Bridge conference, issues ranging from environmental, social, and corporate governance (ESG) to national security and geopolitics, have transformed critical mineral supply chains into something that is now “inherently political.”

As Russia’s war in Ukraine continues and nations are returning to behaviors best explained by realism, we are wrestling with these trends’ longer-term implications on water diplomacy. States are becoming inward-looking and prioritizing national sovereignty. Debates about water and climate are resurfacing, and we should better understand how hard power and inward-looking approaches can impact water diplomacy and cooperation. To inform policymakers about power sensitivities and power games played in diplomacy, water diplomats must rethink the future of water security and peace. They should reexamine leadership styles, cultural sensitivities, and knowledge exchange from the lens of realism.