In his speech on climate change and national security on November 10, Secretary of State John Kerry said climate change is already a “threat multiplier,” and that worse is to be expected if climate change continues unchecked. But the relationship between the environment and violent conflict is complex and often indirect. Researchers have been wrangling for years over the role that global environmental change plays in fueling conflict and state fragility.

When Colombia is in the news, it’s not necessarily for the reasons we Colombians would like. We have lived through 50 years of violent conflict. Peace is a very abstract idea to most of us. Despite this we are still some of the happiest people on Earth.

The booming geothermal industry in Kenya illustrates how rapid transitions to renewable energy systems can risk generating conflicts if they are not done with sensitivity to the impact of transition on marginalized populations and to local ethnic and political dynamics.

In a commanding speech at Old Dominion University this week, Secretary Kerry announced a dramatic step toward integrating climate and security into U.S. foreign policy. In Norfolk, Virginia, home to the world’s largest naval station, Kerry said the State Department is creating a new “task force of senior government officials to determine how best to integrate climate and security analysis into overall foreign policy planning and priorities.”

In the midst of a minefield on day two of Desert Storm Task Force Ripper, Marine Corps Operations Officer Richard Zilmer stepped out of his armored personnel carrier, squinted up at the sky, and saw nothing but black from horizon to horizon. Iraqi forces, trying desperately to blunt the attack of coalition armies, had set fire to hundreds of Kuwaiti oil wells and oil-filled trenches.

Barren barley and wheat fields stretch across the dry landscape of northern Afghanistan, the result of persistent drought and flash flooding that has left thousands of people facing food shortages and loss of work.

From earthquakes to floods, when natural disasters strike, the military is often called on to bolster civilian responses. Policymakers throughout Latin America in particular are increasingly relying on the armed forces for emergency assistance.

In May 2011, two weeks before I was scheduled to start research in the region, a Mongol herder named Mergen was hit by a mining truck while protecting his pastureland in Xilingol, Inner Mongolia. He was dragged 140 feet and killed. His death sparked a month of protests.