In the hierarchy of global and national security challenges, climate change comes out near the top, said a panel of distinguished defense, diplomacy, and intelligence leaders at the Wilson Center on November 17. [Video Below]

Joginder Singh, a 68-year-old farmer in the village of Noopur Bet in Punjab, is among the thousands of farmers in India trying to reconcile the risks posed by a changing climate with their need to improve crop yields to support their families.

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.

The recent news that China has been underreporting its already globe-leading coal consumption by nearly 20 percent for the last decade underscores the scale of its air pollution crisis.

Last week, at a meeting of the Organization for Economic Cooperation and Development in Paris, the United States, Japan, and several other nations reached an agreement that will restrict financing for overseas coal projects. The deal will limit investment in the dirtiest, coal-fired power plants but will allow some continued investment in more efficient coal technology. Japan is one of the major sources of finance for the coal industry, so the agreement is an important moment in the effort to reduce global emissions.

The United States: The world’s lone remaining superpower, home of the world’s largest economy and military, the world’s largest producer and consumer of natural gas, and soon the leading producer and consumer of oil.

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.”