Answer : 2. "एफएओ"
Explanation :

According to a report titled “Impact of Disasters on Agriculture and Food Security” by the Food and Agriculture Organization (FAO), the frequency of extreme disaster events has increased significantly over the past five decades. In the 1970s, there were approximately 100 disaster events per year in the world. However, over the past two decades, this number has increased globally to approximately 400 disasters annually. This trend highlights the increasing challenges and risks posed by disasters to agriculture and food security around the world.