NASA Shows How Plants Can Predict Drought

About This Video: Plant Stress Indicates Drought — Farmers across America rely on early drought warning systems to manage their crops. Americans everywhere rely on those farmers to provide food. A new drought tracking system called ESI helps by monitoring the evaporation of water from land surfaces. Courtesy NASA.

Related Article: A New Way to Forecast Drought (Just in Time for All Those Climate Change–Induced Droughts) (The Atlantic)