https://walkearth.org/2026/08/01/food-insecurity-looms-behind-the-headlines/Susan Feathersen2026-08-01T16:17:11+00:00Food Insecurity Looms Behind the HeadlinesClimate Change, sustainability, environment, John Wesley Powell, Farming, food, agriculture, Food Security and Insecurity, Water the Limiting Factor, Saltwater inundation, Soil salination, Heat, Fires and Floods, Rising Costs to Farmers, The American Small Farmer, Colorado River Compact of 1922, What creates "food security"